diff --git a/Android/.gitignore b/Android/.gitignore
index 69f24fc..a840822 100644
--- a/Android/.gitignore
+++ b/Android/.gitignore
@@ -8,6 +8,7 @@
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
 /.idea/dictionaries
+.DS_Store
 /build
 /captures
 .externalNativeBuild
diff --git a/Android/.idea/saveactions_settings.xml b/Android/.idea/saveactions_settings.xml
index 033b46c..57dd97c 100644
--- a/Android/.idea/saveactions_settings.xml
+++ b/Android/.idea/saveactions_settings.xml
@@ -9,7 +9,6 @@
         <option value="noActionIfCompileErrors" />
         <option value="organizeImports" />
         <option value="reformat" />
-        <option value="rearrange" />
       </set>
     </option>
     <option name="configurationPath" value="" />
diff --git a/Android/app/build.gradle b/Android/app/build.gradle
index 5ee600d..8d8816b 100644
--- a/Android/app/build.gradle
+++ b/Android/app/build.gradle
@@ -87,4 +87,5 @@ dependencies {
     // optional - Test helpers
     //testImplementation "androidx.room:room-testing:$room_version"
 
+    implementation 'com.google.code.gson:gson:2.8.6'
 }
\ No newline at end of file
diff --git a/Android/app/schemas/com.majinnaibu.monstercards.AppDatabase/1.json b/Android/app/schemas/com.majinnaibu.monstercards.AppDatabase/1.json
index f92e587..83ab2bc 100644
--- a/Android/app/schemas/com.majinnaibu.monstercards.AppDatabase/1.json
+++ b/Android/app/schemas/com.majinnaibu.monstercards.AppDatabase/1.json
@@ -2,11 +2,11 @@
   "formatVersion": 1,
   "database": {
     "version": 1,
-    "identityHash": "a9371223372fb64522cc40f5529ada09",
+    "identityHash": "db1293d2f490940b55ca1f4f56b21b1a",
     "entities": [
       {
         "tableName": "Monster",
-        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `name` TEXT NOT NULL DEFAULT '', PRIMARY KEY(`id`))",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `name` TEXT NOT NULL DEFAULT '', `size` TEXT NOT NULL DEFAULT '', `type` TEXT NOT NULL DEFAULT '', `subtype` TEXT NOT NULL DEFAULT '', `alignment` TEXT NOT NULL DEFAULT '', `strength_score` INTEGER NOT NULL DEFAULT 10, `strength_saving_throw_advantage` TEXT DEFAULT 'none', `strength_saving_throw_proficiency` TEXT DEFAULT 'none', `dexterity_score` INTEGER NOT NULL DEFAULT 10, `dexterity_saving_throw_advantage` TEXT DEFAULT 'none', `dexterity_saving_throw_proficiency` TEXT DEFAULT 'none', `constitution_score` INTEGER NOT NULL DEFAULT 10, `constitution_saving_throw_advantage` TEXT DEFAULT 'none', `constitution_saving_throw_proficiency` TEXT DEFAULT 'none', `intelligence_score` INTEGER NOT NULL DEFAULT 10, `intelligence_saving_throw_advantage` TEXT DEFAULT 'none', `intelligence_saving_throw_proficiency` TEXT DEFAULT 'none', `wisdom_score` INTEGER NOT NULL DEFAULT 10, `wisdom_saving_throw_advantage` TEXT DEFAULT 'none', `wisdom_saving_throw_proficiency` TEXT DEFAULT 'none', `charisma_score` INTEGER NOT NULL DEFAULT 10, `charisma_saving_throw_advantage` TEXT DEFAULT 'none', `charisma_saving_throw_proficiency` TEXT DEFAULT 'none', `armor_type` TEXT DEFAULT 'none', `shield_bonus` INTEGER NOT NULL DEFAULT 0, `natural_armor_bonus` INTEGER NOT NULL DEFAULT 0, `other_armor_description` TEXT DEFAULT '', `hit_dice` INTEGER NOT NULL DEFAULT 1, `has_custom_hit_points` INTEGER NOT NULL, `custom_hit_points_description` TEXT DEFAULT '', `walk_speed` INTEGER NOT NULL DEFAULT 0, `burrow_speed` INTEGER NOT NULL DEFAULT 0, `climb_speed` INTEGER NOT NULL DEFAULT 0, `fly_speed` INTEGER NOT NULL DEFAULT 0, `can_hover` INTEGER NOT NULL DEFAULT false, `swim_speed` INTEGER NOT NULL DEFAULT 0, `has_custom_speed` INTEGER NOT NULL DEFAULT false, `custom_speed_description` TEXT, `challenge_rating` TEXT DEFAULT '1', `custom_challenge_rating_description` TEXT DEFAULT '', `custom_proficiency_bonus` INTEGER NOT NULL DEFAULT 0, `blindsight_range` INTEGER NOT NULL DEFAULT 0, `is_blind_beyond_blindsight_range` INTEGER NOT NULL DEFAULT false, `darkvision_range` INTEGER NOT NULL DEFAULT 0, `tremorsense_range` INTEGER NOT NULL DEFAULT 0, `truesight_range` INTEGER NOT NULL DEFAULT 0, `telepathy_range` INTEGER NOT NULL DEFAULT 0, `understands_but_description` TEXT DEFAULT '', `skills` TEXT, `damage_immunities` TEXT, `damage_resistances` TEXT, `damage_vulnerabilities` TEXT, `condition_immunities` TEXT, `languages` TEXT, `abilities` TEXT, `actions` TEXT, `reactions` TEXT, `lair_actions` TEXT, `legendary_actions` TEXT, `regional_actions` TEXT, PRIMARY KEY(`id`))",
         "fields": [
           {
             "fieldPath": "id",
@@ -20,6 +20,405 @@
             "affinity": "TEXT",
             "notNull": true,
             "defaultValue": "''"
+          },
+          {
+            "fieldPath": "size",
+            "columnName": "size",
+            "affinity": "TEXT",
+            "notNull": true,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "subtype",
+            "columnName": "subtype",
+            "affinity": "TEXT",
+            "notNull": true,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "alignment",
+            "columnName": "alignment",
+            "affinity": "TEXT",
+            "notNull": true,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "strengthScore",
+            "columnName": "strength_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "strengthSavingThrowAdvantage",
+            "columnName": "strength_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "strengthSavingThrowProficiency",
+            "columnName": "strength_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "dexterityScore",
+            "columnName": "dexterity_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "dexteritySavingThrowAdvantage",
+            "columnName": "dexterity_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "dexteritySavingThrowProficiency",
+            "columnName": "dexterity_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "constitutionScore",
+            "columnName": "constitution_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "constitutionSavingThrowAdvantage",
+            "columnName": "constitution_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "constitutionSavingThrowProficiency",
+            "columnName": "constitution_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "intelligenceScore",
+            "columnName": "intelligence_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "intelligenceSavingThrowAdvantage",
+            "columnName": "intelligence_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "intelligenceSavingThrowProficiency",
+            "columnName": "intelligence_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "wisdomScore",
+            "columnName": "wisdom_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "wisdomSavingThrowAdvantage",
+            "columnName": "wisdom_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "wisdomSavingThrowProficiency",
+            "columnName": "wisdom_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "charismaScore",
+            "columnName": "charisma_score",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "10"
+          },
+          {
+            "fieldPath": "charismaSavingThrowAdvantage",
+            "columnName": "charisma_saving_throw_advantage",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "charismaSavingThrowProficiency",
+            "columnName": "charisma_saving_throw_proficiency",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "armorType",
+            "columnName": "armor_type",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'none'"
+          },
+          {
+            "fieldPath": "shieldBonus",
+            "columnName": "shield_bonus",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "naturalArmorBonus",
+            "columnName": "natural_armor_bonus",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "otherArmorDescription",
+            "columnName": "other_armor_description",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "hitDice",
+            "columnName": "hit_dice",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "1"
+          },
+          {
+            "fieldPath": "hasCustomHP",
+            "columnName": "has_custom_hit_points",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "customHPDescription",
+            "columnName": "custom_hit_points_description",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "walkSpeed",
+            "columnName": "walk_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "burrowSpeed",
+            "columnName": "burrow_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "climbSpeed",
+            "columnName": "climb_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "flySpeed",
+            "columnName": "fly_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "canHover",
+            "columnName": "can_hover",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "false"
+          },
+          {
+            "fieldPath": "swimSpeed",
+            "columnName": "swim_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "hasCustomSpeed",
+            "columnName": "has_custom_speed",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "false"
+          },
+          {
+            "fieldPath": "customSpeedDescription",
+            "columnName": "custom_speed_description",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "challengeRating",
+            "columnName": "challenge_rating",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "'1'"
+          },
+          {
+            "fieldPath": "customChallengeRatingDescription",
+            "columnName": "custom_challenge_rating_description",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "customProficiencyBonus",
+            "columnName": "custom_proficiency_bonus",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "blindsightRange",
+            "columnName": "blindsight_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "isBlindBeyondBlindsightRange",
+            "columnName": "is_blind_beyond_blindsight_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "false"
+          },
+          {
+            "fieldPath": "darkvisionRange",
+            "columnName": "darkvision_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "tremorsenseRange",
+            "columnName": "tremorsense_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "truesightRange",
+            "columnName": "truesight_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "telepathyRange",
+            "columnName": "telepathy_range",
+            "affinity": "INTEGER",
+            "notNull": true,
+            "defaultValue": "0"
+          },
+          {
+            "fieldPath": "understandsButDescription",
+            "columnName": "understands_but_description",
+            "affinity": "TEXT",
+            "notNull": false,
+            "defaultValue": "''"
+          },
+          {
+            "fieldPath": "skills",
+            "columnName": "skills",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "damageImmunities",
+            "columnName": "damage_immunities",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "damageResistances",
+            "columnName": "damage_resistances",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "damageVulnerabilities",
+            "columnName": "damage_vulnerabilities",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "conditionImmunities",
+            "columnName": "condition_immunities",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "languages",
+            "columnName": "languages",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "abilities",
+            "columnName": "abilities",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "actions",
+            "columnName": "actions",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "reactions",
+            "columnName": "reactions",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "lairActions",
+            "columnName": "lair_actions",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "legendaryActions",
+            "columnName": "legendary_actions",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "regionalActions",
+            "columnName": "regional_actions",
+            "affinity": "TEXT",
+            "notNull": false
           }
         ],
         "primaryKey": {
@@ -35,7 +434,7 @@
     "views": [],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'a9371223372fb64522cc40f5529ada09')"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'db1293d2f490940b55ca1f4f56b21b1a')"
     ]
   }
 }
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java b/Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java
index fc44923..3d21f3f 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java
@@ -4,12 +4,29 @@ import androidx.room.Database;
 import androidx.room.RoomDatabase;
 import androidx.room.TypeConverters;
 
-import com.majinnaibu.monstercards.converters.UUIDConverter;
 import com.majinnaibu.monstercards.data.MonsterDAO;
+import com.majinnaibu.monstercards.data.converters.ArmorTypeConverter;
+import com.majinnaibu.monstercards.data.converters.ChallengeRatingConverter;
+import com.majinnaibu.monstercards.data.converters.SetOfLanguageConverter;
+import com.majinnaibu.monstercards.data.converters.SetOfSavingThrowConverter;
+import com.majinnaibu.monstercards.data.converters.SetOfSkillConverter;
+import com.majinnaibu.monstercards.data.converters.SetOfStringConverter;
+import com.majinnaibu.monstercards.data.converters.SetOfTraitConverter;
+import com.majinnaibu.monstercards.data.converters.UUIDConverter;
 import com.majinnaibu.monstercards.models.Monster;
 
-@Database(entities = {Monster.class}, version=1)
-@TypeConverters({UUIDConverter.class})
+@SuppressWarnings("unused")
+@Database(entities = {Monster.class}, version = 1)
+@TypeConverters({
+        ArmorTypeConverter.class,
+        ChallengeRatingConverter.class,
+        SetOfLanguageConverter.class,
+        SetOfSavingThrowConverter.class,
+        SetOfSkillConverter.class,
+        SetOfStringConverter.class,
+        SetOfTraitConverter.class,
+        UUIDConverter.class,
+})
 public abstract class AppDatabase extends RoomDatabase {
     public abstract MonsterDAO monsterDAO();
 }
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/converters/UUIDConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/converters/UUIDConverter.java
deleted file mode 100644
index b1effc8..0000000
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/converters/UUIDConverter.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package com.majinnaibu.monstercards.converters;
-
-import androidx.room.TypeConverter;
-
-import java.util.UUID;
-
-public class UUIDConverter {
-
-    @TypeConverter
-    public static String fromUUID(UUID uuid) {
-        return uuid.toString();
-    }
-
-    @TypeConverter
-    public static UUID uuidFromString(String string) {
-        return UUID.fromString(string);
-    }
-}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.java
index d6d1d59..d3b63a3 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ArmorTypeConverter.java
@@ -1,6 +1,5 @@
 package com.majinnaibu.monstercards.data.converters;
 
-import androidx.annotation.NonNull;
 import androidx.room.TypeConverter;
 
 import com.majinnaibu.monstercards.data.enums.ArmorType;
@@ -8,7 +7,7 @@ import com.majinnaibu.monstercards.data.enums.ArmorType;
 public class ArmorTypeConverter {
 
     @TypeConverter
-    public static String fromArmorType(@NonNull ArmorType armorType) {
+    public static String fromArmorType(ArmorType armorType) {
         return armorType.stringValue;
     }
 
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.java
index 3d9712c..47b375b 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/ChallengeRatingConverter.java
@@ -1,6 +1,5 @@
 package com.majinnaibu.monstercards.data.converters;
 
-import androidx.annotation.NonNull;
 import androidx.room.TypeConverter;
 
 import com.majinnaibu.monstercards.data.enums.ChallengeRating;
@@ -8,7 +7,7 @@ import com.majinnaibu.monstercards.data.enums.ChallengeRating;
 public class ChallengeRatingConverter {
 
     @TypeConverter
-    public static String fromChallengeRating(@NonNull ChallengeRating challengeRating) {
+    public static String fromChallengeRating(ChallengeRating challengeRating) {
         return challengeRating.stringValue;
     }
 
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfSavingThrowConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfSavingThrowConverter.java
new file mode 100644
index 0000000..a2ee9b6
--- /dev/null
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfSavingThrowConverter.java
@@ -0,0 +1,31 @@
+package com.majinnaibu.monstercards.data.converters;
+
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.majinnaibu.monstercards.models.SavingThrow;
+
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SetOfSavingThrowConverter {
+
+    @TypeConverter
+    public static String fromSetOfSavingThrow(Set<SavingThrow> savingThrows) {
+        Gson gson = new Gson();
+        SavingThrow[] saves = new SavingThrow[savingThrows.size()];
+        savingThrows.toArray(saves);
+        return gson.toJson(saves);
+    }
+
+    @TypeConverter
+    public static Set<SavingThrow> setOfSavingThrowFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<HashSet<SavingThrow>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfTraitConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfTraitConverter.java
new file mode 100644
index 0000000..029b102
--- /dev/null
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/SetOfTraitConverter.java
@@ -0,0 +1,27 @@
+package com.majinnaibu.monstercards.data.converters;
+
+import androidx.room.TypeConverter;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.majinnaibu.monstercards.models.Trait;
+
+import java.lang.reflect.Type;
+import java.util.HashSet;
+import java.util.Set;
+
+public class SetOfTraitConverter {
+    @TypeConverter
+    public static String fromSetOfTrait(Set<Trait> traits) {
+        Gson gson = new Gson();
+        return gson.toJson(traits);
+    }
+
+    @TypeConverter
+    public static Set<Trait> setOfTraitFromString(String string) {
+        Gson gson = new Gson();
+        Type setType = new TypeToken<HashSet<Trait>>() {
+        }.getType();
+        return gson.fromJson(string, setType);
+    }
+}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.java
index d775179..07d5375 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/converters/UUIDConverter.java
@@ -1,15 +1,13 @@
 package com.majinnaibu.monstercards.data.converters;
 
-import androidx.annotation.NonNull;
 import androidx.room.TypeConverter;
 
 import java.util.UUID;
 
 public class UUIDConverter {
 
-    @NonNull
     @TypeConverter
-    public static String fromUUID(@NonNull UUID uuid) {
+    public static String fromUUID(UUID uuid) {
         return uuid.toString();
     }
 
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.java
index 5a0b24e..a155d8a 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/AbilityScore.java
@@ -5,7 +5,7 @@ public enum AbilityScore {
     STRENGTH("strength", "Strength", "STR"),
     DEXTERITY("dexterity", "Dexterity", "DEX"),
     CONSTITUTION("constitution", "Constitution", "CON"),
-    INTELLIGENCE("intelligence", "Intelligence", "INT"),
+    INTELLIGENCE("intellligence", "Intelligence", "INT"),
     WISDOM("wisdom", "Wisdom", "WIS"),
     CHARISMA("charisma", "Charisma", "CHA"),
     ;
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.java b/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.java
index 9236ad0..76754bc 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/data/enums/ProficiencyType.java
@@ -3,7 +3,7 @@ package com.majinnaibu.monstercards.data.enums;
 public enum ProficiencyType {
     NONE("none", "None", ""),
     PROFICIENT("proficient", "Proficient", "P"),
-    EXPERTISE("expertise", "Expertise", "Ex"),
+    EXPERTISE("experties", "Expertise", "Ex"),
     ;
 
     public final String displayName;
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Ability.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Ability.java
deleted file mode 100644
index 9921b92..0000000
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Ability.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.majinnaibu.monstercards.models;
-
-public class Ability {
-
-    public Ability(String name, String description) {
-        mName = name;
-        mDescription = description;
-    }
-
-    private String mName;
-
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String name) {
-        mName = name;
-    }
-
-    private String mDescription;
-
-    public String getDescription() {
-        return mDescription;
-    }
-
-    public void setDescription(String description) {
-        mDescription = description;
-    }
-}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Action.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Action.java
deleted file mode 100644
index abb5036..0000000
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Action.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.majinnaibu.monstercards.models;
-
-public class Action {
-
-    public Action(String name, String description) {
-        mName = name;
-        mDescription = description;
-    }
-
-    private String mName;
-
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String name) {
-        mName = name;
-    }
-
-    private String mDescription;
-
-    public String getDescription() {
-        return mDescription;
-    }
-
-    public void setDescription(String description) {
-        mDescription = description;
-    }
-}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/DamageType.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/DamageType.java
deleted file mode 100644
index 73333b2..0000000
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/DamageType.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.majinnaibu.monstercards.models;
-
-public class DamageType {
-
-    public DamageType(String name, String note, String type) {
-        mName = name;
-        mNote = note;
-        mType = type;
-    }
-
-    private String mName;
-
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String value) {
-        mName = value;
-    }
-
-    private String mNote;
-
-    public String getNote() {
-        return mNote;
-    }
-
-    public void setNote(String value) {
-        mNote = value;
-    }
-
-    private String mType;
-
-    public String getType() {
-        return mType;
-    }
-
-    public void setType(String value) {
-        mType = value;
-    }
-
-}
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java
index e755fed..630f0ea 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java
@@ -1,11 +1,17 @@
 package com.majinnaibu.monstercards.models;
 
+import android.annotation.SuppressLint;
+
 import androidx.annotation.NonNull;
 import androidx.room.ColumnInfo;
 import androidx.room.Entity;
-import androidx.room.Ignore;
 import androidx.room.PrimaryKey;
 
+import com.majinnaibu.monstercards.data.enums.AbilityScore;
+import com.majinnaibu.monstercards.data.enums.AdvantageType;
+import com.majinnaibu.monstercards.data.enums.ArmorType;
+import com.majinnaibu.monstercards.data.enums.ChallengeRating;
+import com.majinnaibu.monstercards.data.enums.ProficiencyType;
 import com.majinnaibu.monstercards.helpers.StringHelper;
 
 import java.util.ArrayList;
@@ -13,11 +19,12 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Locale;
 import java.util.Set;
 import java.util.UUID;
 
 @Entity
+@SuppressLint("DefaultLocale")
+@SuppressWarnings("unused")
 public class Monster {
 
     @PrimaryKey
@@ -28,71 +35,240 @@ public class Monster {
     @ColumnInfo(defaultValue = "")
     public String name;
 
+    @NonNull()
+    @ColumnInfo(defaultValue = "")
+    public String size;
+
+    @NonNull()
+    @ColumnInfo(defaultValue = "")
+    public String type;
+
+    @NonNull()
+    @ColumnInfo(defaultValue = "")
+    public String subtype;
+
+    @NonNull()
+    @ColumnInfo(defaultValue = "")
+    public String alignment;
+
+    @ColumnInfo(name = "strength_score", defaultValue = "10")
+    public int strengthScore;
+
+    @ColumnInfo(name = "strength_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType strengthSavingThrowAdvantage;
+
+    @ColumnInfo(name = "strength_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType strengthSavingThrowProficiency;
+
+    @ColumnInfo(name = "dexterity_score", defaultValue = "10")
+    public int dexterityScore;
+
+    @ColumnInfo(name = "dexterity_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType dexteritySavingThrowAdvantage;
+
+    @ColumnInfo(name = "dexterity_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType dexteritySavingThrowProficiency;
+
+    @ColumnInfo(name = "constitution_score", defaultValue = "10")
+    public int constitutionScore;
+
+    @ColumnInfo(name = "constitution_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType constitutionSavingThrowAdvantage;
+
+    @ColumnInfo(name = "constitution_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType constitutionSavingThrowProficiency;
+
+    @ColumnInfo(name = "intelligence_score", defaultValue = "10")
+    public int intelligenceScore;
+
+    @ColumnInfo(name = "intelligence_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType intelligenceSavingThrowAdvantage;
+
+    @ColumnInfo(name = "intelligence_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType intelligenceSavingThrowProficiency;
+
+    @ColumnInfo(name = "wisdom_score", defaultValue = "10")
+    public int wisdomScore;
+
+    @ColumnInfo(name = "wisdom_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType wisdomSavingThrowAdvantage;
+
+    @ColumnInfo(name = "wisdom_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType wisdomSavingThrowProficiency;
+
+    @ColumnInfo(name = "charisma_score", defaultValue = "10")
+    public int charismaScore;
+
+    @ColumnInfo(name = "charisma_saving_throw_advantage", defaultValue = "none")
+    public AdvantageType charismaSavingThrowAdvantage;
+
+    @ColumnInfo(name = "charisma_saving_throw_proficiency", defaultValue = "none")
+    public ProficiencyType charismaSavingThrowProficiency;
+
+    @ColumnInfo(name = "armor_type", defaultValue = "none"/* ArmorType.NONE.stringValue */)
+    public ArmorType armorType;
+
+    @ColumnInfo(name = "shield_bonus", defaultValue = "0")
+    public int shieldBonus;
+
+    @ColumnInfo(name = "natural_armor_bonus", defaultValue = "0")
+    public int naturalArmorBonus;
+
+    @ColumnInfo(name = "other_armor_description", defaultValue = "")
+    public String otherArmorDescription;
+
+    @ColumnInfo(name = "hit_dice", defaultValue = "1")
+    public int hitDice;
+
+    @ColumnInfo(name = "has_custom_hit_points", defaultValue = "")
+    public boolean hasCustomHP;
+
+    @ColumnInfo(name = "custom_hit_points_description", defaultValue = "")
+    public String customHPDescription;
+
+    @ColumnInfo(name = "walk_speed", defaultValue = "0")
+    public int walkSpeed;
+
+    @ColumnInfo(name = "burrow_speed", defaultValue = "0")
+    public int burrowSpeed;
+
+    @ColumnInfo(name = "climb_speed", defaultValue = "0")
+    public int climbSpeed;
+
+    @ColumnInfo(name = "fly_speed", defaultValue = "0")
+    public int flySpeed;
+
+    @ColumnInfo(name = "can_hover", defaultValue = "false")
+    public boolean canHover;
+
+    @ColumnInfo(name = "swim_speed", defaultValue = "0")
+    public int swimSpeed;
+
+    @ColumnInfo(name = "has_custom_speed", defaultValue = "false")
+    public boolean hasCustomSpeed;
+
+    @ColumnInfo(name = "custom_speed_description")
+    public String customSpeedDescription;
+
+    @ColumnInfo(name = "challenge_rating", defaultValue = "1")
+    public ChallengeRating challengeRating;
+
+    @ColumnInfo(name = "custom_challenge_rating_description", defaultValue = "")
+    public String customChallengeRatingDescription;
+
+    @ColumnInfo(name = "custom_proficiency_bonus", defaultValue = "0")
+    public int customProficiencyBonus;
+
+    @ColumnInfo(name = "blindsight_range", defaultValue = "0")
+    public int blindsightRange;
+
+    @ColumnInfo(name = "is_blind_beyond_blindsight_range", defaultValue = "false")
+    public boolean isBlindBeyondBlindsightRange;
+
+    @ColumnInfo(name = "darkvision_range", defaultValue = "0")
+    public int darkvisionRange;
+
+    @ColumnInfo(name = "tremorsense_range", defaultValue = "0")
+    public int tremorsenseRange;
+
+    @ColumnInfo(name = "truesight_range", defaultValue = "0")
+    public int truesightRange;
+
+    @ColumnInfo(name = "telepathy_range", defaultValue = "0")
+    public int telepathyRange;
+
+    @ColumnInfo(name = "understands_but_description", defaultValue = "")
+    public String understandsButDescription;
+
+    @ColumnInfo(name = "skills")
+    public Set<Skill> skills;
+
+    @ColumnInfo(name = "damage_immunities")
+    public Set<String> damageImmunities;
+
+    @ColumnInfo(name = "damage_resistances")
+    public Set<String> damageResistances;
+
+    @ColumnInfo(name = "damage_vulnerabilities")
+    public Set<String> damageVulnerabilities;
+
+    @ColumnInfo(name = "condition_immunities")
+    public Set<String> conditionImmunities;
+
+    @ColumnInfo(name = "languages")
+    public Set<Language> languages;
+
+    @ColumnInfo(name = "abilities")
+    public Set<Trait> abilities;
+
+    @ColumnInfo(name = "actions")
+    public Set<Trait> actions;
+
+    @ColumnInfo(name = "reactions")
+    public Set<Trait> reactions;
+
+    @ColumnInfo(name = "lair_actions")
+    public Set<Trait> lairActions;
+
+    @ColumnInfo(name = "legendary_actions")
+    public Set<Trait> legendaryActions;
+
+    @ColumnInfo(name = "regional_actions")
+    public Set<Trait> regionalActions;
+
     public Monster() {
+        id = UUID.randomUUID();
         name = "";
-        mAbilities = new ArrayList<>();
-        mActions = new ArrayList<>();
-        mConditionImmunities = new HashSet<>();
-        mDamageTypes = new HashSet<>();
-        mLanguages = new HashSet<>();
-        mSavingThrows = new HashSet<>();
-        mSkills = new HashSet<>();
-    }
+        size = "";
+        type = "";
+        subtype = "";
+        alignment = "";
+        strengthScore = 10;
+        dexterityScore = 10;
+        constitutionScore = 10;
+        intelligenceScore = 10;
+        wisdomScore = 10;
+        charismaScore = 10;
+        armorType = ArmorType.NONE;
+        shieldBonus = 0;
+        naturalArmorBonus = 0;
+        otherArmorDescription = "";
+        hitDice = 1;
+        hasCustomHP = false;
+        customHPDescription = "";
+        walkSpeed = 0;
+        burrowSpeed = 0;
+        climbSpeed = 0;
+        flySpeed = 0;
+        canHover = false;
+        swimSpeed = 0;
+        hasCustomSpeed = false;
+        customSpeedDescription = "";
+        challengeRating = ChallengeRating.ONE;
+        customChallengeRatingDescription = "";
 
-    @Ignore()
-    private String mSize;
-
-    public String getSize() {
-        return mSize;
-    }
-
-    public void setSize(String value) {
-        mSize = value;
-    }
-
-    @Ignore()
-    private String mType;
-
-    public String getType() {
-        return mType;
-    }
-
-    public void setType(String value) {
-        mType = value;
-    }
-
-    @Ignore()
-    private String mTag;
-
-    public String getTag() {
-        return mTag;
-    }
-
-    public void setTag(String value) {
-        mTag = value;
-    }
-
-    @Ignore()
-    private String mAlignment;
-
-    public String getAlignment() {
-        return mAlignment;
-    }
-
-    public void setAlignment(String value) {
-        mAlignment = value;
+        skills = new HashSet<>();
+        damageImmunities = new HashSet<>();
+        damageResistances = new HashSet<>();
+        damageVulnerabilities = new HashSet<>();
+        conditionImmunities = new HashSet<>();
+        languages = new HashSet<>();
+        abilities = new HashSet<>();
+        actions = new HashSet<>();
+        reactions = new HashSet<>();
+        lairActions = new HashSet<>();
+        legendaryActions = new HashSet<>();
+        regionalActions = new HashSet<>();
     }
 
     public String getMeta() {
         StringBuilder sb = new StringBuilder();
         boolean isFirstOutput = true;
-        String size = getSize();
         if (!StringHelper.isNullOrEmpty(size)) {
             sb.append(size);
             isFirstOutput = false;
         }
 
-        String type = getType();
         if (!StringHelper.isNullOrEmpty(type)) {
             if (!isFirstOutput) {
                 sb.append(" ");
@@ -101,18 +277,16 @@ public class Monster {
             isFirstOutput = false;
         }
 
-        String tag = getTag();
-        if (!StringHelper.isNullOrEmpty(tag)) {
+        if (!StringHelper.isNullOrEmpty(subtype)) {
             if (!isFirstOutput) {
                 sb.append(" ");
             }
             sb.append("(");
-            sb.append(tag);
+            sb.append(subtype);
             sb.append(")");
             isFirstOutput = false;
         }
 
-        String alignment = getAlignment();
         if (!StringHelper.isNullOrEmpty(alignment)) {
             if (!isFirstOutput) {
                 sb.append(", ");
@@ -123,21 +297,22 @@ public class Monster {
         return sb.toString();
     }
 
-    public int getAbilityScore(String abilityScoreName) {
-        if ("strength".equals(abilityScoreName) || "str".equals(abilityScoreName)) {
-            return getStrengthScore();
-        } else if ("dexterity".equals(abilityScoreName) || "dex".equals(abilityScoreName)) {
-            return getDexterityScore();
-        } else if ("constitution".equals(abilityScoreName) || "con".equals(abilityScoreName)) {
-            return getConstitutionScore();
-        } else if ("intelligence".equals(abilityScoreName) || "int".equals(abilityScoreName)) {
-            return getIntelligenceScore();
-        } else if ("wisdom".equals(abilityScoreName) || "wis".equals(abilityScoreName)) {
-            return getWisdomScore();
-        } else if ("charisma".equals(abilityScoreName) || "cha".equals(abilityScoreName)) {
-            return getCharismaScore();
-        } else {
-            return 10;
+    public int getAbilityScore(AbilityScore abilityScore) {
+        switch (abilityScore) {
+            case STRENGTH:
+                return strengthScore;
+            case DEXTERITY:
+                return dexterityScore;
+            case CONSTITUTION:
+                return constitutionScore;
+            case INTELLIGENCE:
+                return intelligenceScore;
+            case WISDOM:
+                return wisdomScore;
+            case CHARISMA:
+                return charismaScore;
+            default:
+                return 10;
         }
     }
 
@@ -145,261 +320,155 @@ public class Monster {
         return (int) Math.floor((score - 10) / 2.0);
     }
 
-    public int getAbilityModifier(String abilityScoreName) {
-        int score = getAbilityScore(abilityScoreName);
-        return getAbilityModifierForScore(score);
-    }
-
-    @Ignore()
-    private int mStrengthScore;
-
-    public int getStrengthScore() {
-        return mStrengthScore;
-    }
-
-    public void setStrengthScore(int value) {
-        mStrengthScore = value;
-    }
-
-    public int getStrengthModifier() {
-        return getAbilityModifierForScore(getStrengthScore());
-    }
-
-    @Ignore()
-    private int mDexterityScore;
-
-    public int getDexterityScore() {
-        return mDexterityScore;
-    }
-
-    public void setDexterityScore(int value) {
-        mDexterityScore = value;
-    }
-
-    public int getDexterityModifier() {
-        return getAbilityModifierForScore(getDexterityScore());
-    }
-
-    @Ignore()
-    private int mConstitutionScore;
-
-    public int getConstitutionScore() {
-        return mConstitutionScore;
-    }
-
-    public void setConstitutionScore(int value) {
-        mConstitutionScore = value;
-    }
-
-    public int getConstitutionModifier() {
-        return getAbilityModifierForScore(getConstitutionScore());
-    }
-
-    @Ignore()
-    private int mIntelligenceScore;
-
-    public int getIntelligenceScore() {
-        return mIntelligenceScore;
-    }
-
-    public void setIntelligenceScore(int value) {
-        mIntelligenceScore = value;
-    }
-
-    public int getIntelligenceModifier() {
-        return getAbilityModifierForScore(getIntelligenceScore());
-    }
-
-    @Ignore()
-    private int mWisdomScore;
-
-    public int getWisdomScore() {
-        return mWisdomScore;
-    }
-
-    public void setWisdomScore(int value) {
-        mWisdomScore = value;
-    }
-
-    public int getWisdomModifier() {
-        return getAbilityModifierForScore(getWisdomScore());
-    }
-
-    @Ignore()
-    private int mCharismaScore;
-
-    public int getCharismaScore() {
-        return mCharismaScore;
-    }
-
-    public void setCharismaScore(int value) {
-        mCharismaScore = value;
-    }
-
-    public int getCharismaModifier() {
-        return getAbilityModifierForScore(getCharismaScore());
-    }
-
-    @Ignore()
-    private String mArmorName;
-
-    public String getArmorName() {
-        return mArmorName;
-    }
-
-    public void setArmorName(String value) {
-        mArmorName = value;
-    }
-
-    @Ignore()
-    private int mShieldBonus;
-
-    public int getShieldBonus() {
-        return mShieldBonus;
-    }
-
-    public void setShieldBonus(int value) {
-        mShieldBonus = value;
-    }
-
-    @Ignore()
-    private int mNaturalArmorBonus;
-
-    public int getNaturalArmorBonus() {
-        return mNaturalArmorBonus;
-    }
-
-    public void setNaturalArmorBonus(int value) {
-        mNaturalArmorBonus = value;
-    }
-
-    @Ignore()
-    private String mOtherArmorDescription;
-
-    public String getOtherArmorDescription() {
-        return mOtherArmorDescription;
-    }
-
-    public void setOtherArmorDescription(String value) {
-        mOtherArmorDescription = value;
-    }
-
-    public String getArmorClass() {
-        boolean hasShield = getShieldBonus() != 0;
-        String armorName = getArmorName();
-        if (StringHelper.isNullOrEmpty(armorName) || "none".equals(armorName)) {
-            // 10 + dexMod + 2 for shieldBonus "15" or "17 (shield)"
-            return String.format(Locale.US, "%d%s", BASE_ARMOR_CLASS + getDexterityModifier() + getShieldBonus(), hasShield ? " (shield)" : "");
-        } else if ("natural armor".equals(armorName)) {
-            // 10 + dexMod + naturalArmorBonus + 2 for shieldBonus "16 (natural armor)" or "18 (natural armor, shield)"
-            return String.format(Locale.US, "%d (natural armor%s)", BASE_ARMOR_CLASS + getDexterityModifier() + getNaturalArmorBonus() + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("mage armor".equals(armorName)) {
-            // 10 + dexMod + 2 for shield + 3 for mage armor "15 (18 with mage armor)" or 17 (shield, 20 with mage armor)
-            return String.format(Locale.US, "%d (%s%d with mage armor)", BASE_ARMOR_CLASS + getDexterityModifier() + getShieldBonus(), hasShield ? "shield, " : "", MAGE_ARMOR_ARMOR_CLASS + getDexterityModifier() + getShieldBonus());
-        } else if ("padded".equals(armorName)) {
-            // 11 + dexMod + 2 for shield "18 (padded armor, shield)"
-            return String.format(Locale.US, "%d (padded%s)", PADDED_ARMOR_ARMOR_CLASS + getDexterityModifier() + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("leather".equals(armorName)) {
-            // 11 + dexMod + 2 for shield "18 (leather, shield)"
-            return String.format(Locale.US, "%d (leather%s)", LEATHER_ARMOR_CLASS + getDexterityModifier() + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("studded".equals(armorName)) {
-            // 12 + dexMod +2 for shield "17 (studded leather)"
-            return String.format(Locale.US, "%d (studded leather%s)", STUDDED_LEATHER_ARMOR_CLASS + getDexterityModifier() + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("hide".equals(armorName)) {
-            // 12 + Min(2, dexMod) + 2 for shield "12 (hide armor)"
-            return String.format(Locale.US, "%d (hide%s)", HIDE_ARMOR_CLASS + Math.min(2, getDexterityModifier()) + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("chain shirt".equals(armorName)) {
-            // 13 + Min(2, dexMod) + 2 for shield "12 (chain shirt)"
-            return String.format(Locale.US, "%d (chain shirt%s)", CHAIN_SHIRT_ARMOR_CLASS + Math.min(2, getDexterityModifier()) + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("scale mail".equals(armorName)) {
-            // 14 + Min(2, dexMod) + 2 for shield "14 (scale mail)"
-            return String.format(Locale.US, "%d (scale mail%s)", SCALE_MAIL_ARMOR_CLASS + Math.min(2, getDexterityModifier()) + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("breastplate".equals(armorName)) {
-            // 14 + Min(2, dexMod) + 2 for shield "16 (breastplate)"
-            return String.format(Locale.US, "%d (breastplate%s)", BREASTPLATE_ARMOR_CLASS + Math.min(2, getDexterityModifier()) + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("half plate".equals(armorName)) {
-            // 15 + Min(2, dexMod) + 2 for shield "17 (half plate)"
-            return String.format(Locale.US, "%d (half plate%s)", HALF_PLATE_ARMOR_CLASS + Math.min(2, getDexterityModifier()) + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("ring mail".equals(armorName)) {
-            // 14 + 2 for shield "14 (ring mail)
-            return String.format(Locale.US, "%d (ring mail%s)", RING_MAIL_ARMOR_CLASS + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("chain mail".equals(armorName)) {
-            // 16 + 2 for shield "16 (chain mail)"
-            return String.format(Locale.US, "%d (chain mail%s)", CHAIN_MAIL_ARMOR_CLASS + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("splint".equals(armorName)) {
-            // 17 + 2 for shield "17 (splint)"
-            return String.format(Locale.US, "%d (splint%s)", SPLINT_ARMOR_CLASS + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("plate".equals(armorName)) {
-            // 18 + 2 for shield "18 (plate)"
-            return String.format(Locale.US, "%d (plate%s)", PLATE_ARMOR_CLASS + getShieldBonus(), hasShield ? ", shield" : "");
-        } else if ("other".equals(armorName)) {
-            // pure string value shield check does nothing just copies the string from otherArmorDesc
-            return getOtherArmorDescription();
-        } else {
-            return "";
+    public int getAbilityModifier(AbilityScore abilityScore) {
+        switch (abilityScore) {
+            case STRENGTH:
+                return getStrengthModifier();
+            case DEXTERITY:
+                return getDexterityModifier();
+            case CONSTITUTION:
+                return getConstitutionModifier();
+            case INTELLIGENCE:
+                return getIntelligenceModifier();
+            case WISDOM:
+                return getWisdomModifier();
+            case CHARISMA:
+                return getCharismaModifier();
+            default:
+                return 0;
         }
     }
 
-    private static final int BASE_ARMOR_CLASS = 10;
-    private static final int MAGE_ARMOR_ARMOR_CLASS = BASE_ARMOR_CLASS + 3;
-    private static final int PADDED_ARMOR_ARMOR_CLASS = BASE_ARMOR_CLASS + 1;
-    private static final int LEATHER_ARMOR_CLASS = BASE_ARMOR_CLASS + 1;
-    private static final int STUDDED_LEATHER_ARMOR_CLASS = BASE_ARMOR_CLASS + 2;
-    private static final int HIDE_ARMOR_CLASS = BASE_ARMOR_CLASS + 2;
-    private static final int CHAIN_SHIRT_ARMOR_CLASS = BASE_ARMOR_CLASS + 3;
-    private static final int SCALE_MAIL_ARMOR_CLASS = BASE_ARMOR_CLASS + 4;
-    private static final int BREASTPLATE_ARMOR_CLASS = BASE_ARMOR_CLASS + 4;
-    private static final int HALF_PLATE_ARMOR_CLASS = BASE_ARMOR_CLASS + 5;
-    private static final int RING_MAIL_ARMOR_CLASS = BASE_ARMOR_CLASS + 4;
-    private static final int CHAIN_MAIL_ARMOR_CLASS = BASE_ARMOR_CLASS + 6;
-    private static final int SPLINT_ARMOR_CLASS = BASE_ARMOR_CLASS + 7;
-    private static final int PLATE_ARMOR_CLASS = BASE_ARMOR_CLASS + 8;
-
-    @Ignore()
-    private int mHitDice;
-
-    public int getHitDice() {
-        return mHitDice;
+    public AdvantageType getSavingThrowAdvantageType(AbilityScore abilityScore) {
+        switch (abilityScore) {
+            case STRENGTH:
+                return strengthSavingThrowAdvantage;
+            case DEXTERITY:
+                return dexteritySavingThrowAdvantage;
+            case CONSTITUTION:
+                return constitutionSavingThrowAdvantage;
+            case INTELLIGENCE:
+                return intelligenceSavingThrowAdvantage;
+            case WISDOM:
+                return wisdomSavingThrowAdvantage;
+            case CHARISMA:
+                return charismaSavingThrowAdvantage;
+            default:
+                return AdvantageType.NONE;
+        }
     }
 
-    public void setHitDice(int value) {
-        mHitDice = value;
+    public ProficiencyType getSavingThrowProficiencyType(AbilityScore abilityScore) {
+        switch (abilityScore) {
+            case STRENGTH:
+                return strengthSavingThrowProficiency;
+            case DEXTERITY:
+                return dexteritySavingThrowProficiency;
+            case CONSTITUTION:
+                return constitutionSavingThrowProficiency;
+            case INTELLIGENCE:
+                return intelligenceSavingThrowProficiency;
+            case WISDOM:
+                return wisdomSavingThrowProficiency;
+            case CHARISMA:
+                return charismaSavingThrowProficiency;
+            default:
+                return ProficiencyType.NONE;
+        }
     }
 
-    @Ignore()
-    private boolean mCustomHP;
-
-    public boolean getCustomHP() {
-        return mCustomHP;
+    public int getStrengthModifier() {
+        return getAbilityModifierForScore(strengthScore);
     }
 
-    public void setCustomHP(boolean value) {
-        mCustomHP = value;
+    public int getDexterityModifier() {
+        return getAbilityModifierForScore(dexterityScore);
     }
 
-    @Ignore()
-    private String mHPText;
-
-    public String getHPText() {
-        return mHPText;
+    public int getConstitutionModifier() {
+        return getAbilityModifierForScore(constitutionScore);
     }
 
-    public void setHPText(String value) {
-        mHPText = value;
+    public int getIntelligenceModifier() {
+        return getAbilityModifierForScore(intelligenceScore);
+    }
+
+    public int getWisdomModifier() {
+        return getAbilityModifierForScore(wisdomScore);
+    }
+
+    public int getCharismaModifier() {
+        return getAbilityModifierForScore(charismaScore);
+    }
+
+    public String getArmorClass() {
+        boolean hasShield = shieldBonus != 0;
+        ArmorType armorType = this.armorType != null ? this.armorType : ArmorType.NONE;
+        switch (armorType) {
+            case NONE:
+                // 10 + dexMod + 2 for shieldBonus "15" or "17 (shield)"
+                return String.format("%d%s", armorType.baseArmorClass + getDexterityModifier() + shieldBonus, hasShield ? " (shield)" : "");
+            case NATURAL_ARMOR:
+                // 10 + dexMod + naturalArmorBonus + 2 for shieldBonus "16 (natural armor)" or "18 (natural armor, shield)"
+                return String.format("%d (natural armor%s)", armorType.baseArmorClass + getDexterityModifier() + naturalArmorBonus + shieldBonus, hasShield ? ", shield" : "");
+            case MAGE_ARMOR:
+                // 10 + dexMod + 2 for shield + 3 for mage armor "15 (18 with mage armor)" or 17 (shield, 20 with mage armor)
+                return String.format("%d (%s%d with mage armor)", armorType.baseArmorClass + getDexterityModifier() + shieldBonus, hasShield ? "shield, " : "", armorType.baseArmorClass + 3 + getDexterityModifier() + shieldBonus);
+            case PADDED:
+                // 11 + dexMod + 2 for shield "18 (padded armor, shield)"
+                return String.format("%d (padded%s)", armorType.baseArmorClass + getDexterityModifier() + shieldBonus, hasShield ? ", shield" : "");
+            case LEATHER:
+                // 11 + dexMod + 2 for shield "18 (leather, shield)"
+                return String.format("%d (leather%s)", armorType.baseArmorClass + getDexterityModifier() + shieldBonus, hasShield ? ", shield" : "");
+            case STUDDED_LEATHER:
+                // 12 + dexMod +2 for shield "17 (studded leather)"
+                return String.format("%d (studded leather%s)", armorType.baseArmorClass + getDexterityModifier() + shieldBonus, hasShield ? ", shield" : "");
+            case HIDE:
+                // 12 + Min(2, dexMod) + 2 for shield "12 (hide armor)"
+                return String.format("%d (hide%s)", armorType.baseArmorClass + Math.min(2, getDexterityModifier()) + shieldBonus, hasShield ? ", shield" : "");
+            case CHAIN_SHIRT:
+                // 13 + Min(2, dexMod) + 2 for shield "12 (chain shirt)"
+                return String.format("%d (chain shirt%s)", armorType.baseArmorClass + Math.min(2, getDexterityModifier()) + shieldBonus, hasShield ? ", shield" : "");
+            case SCALE_MAIL:
+                // 14 + Min(2, dexMod) + 2 for shield "14 (scale mail)"
+                return String.format("%d (scale mail%s)", armorType.baseArmorClass + Math.min(2, getDexterityModifier()) + shieldBonus, hasShield ? ", shield" : "");
+            case BREASTPLATE:
+                // 14 + Min(2, dexMod) + 2 for shield "16 (breastplate)"
+                return String.format("%d (breastplate%s)", armorType.baseArmorClass + Math.min(2, getDexterityModifier()) + shieldBonus, hasShield ? ", shield" : "");
+            case HALF_PLATE:
+                // 15 + Min(2, dexMod) + 2 for shield "17 (half plate)"
+                return String.format("%d (half plate%s)", armorType.baseArmorClass + Math.min(2, getDexterityModifier()) + shieldBonus, hasShield ? ", shield" : "");
+            case RING_MAIL:
+                // 14 + 2 for shield "14 (ring mail)
+                return String.format("%d (ring mail%s)", armorType.baseArmorClass + shieldBonus, hasShield ? ", shield" : "");
+            case CHAIN_MAIL:
+                // 16 + 2 for shield "16 (chain mail)"
+                return String.format("%d (chain mail%s)", armorType.baseArmorClass + shieldBonus, hasShield ? ", shield" : "");
+            case SPLINT_MAIL:
+                // 17 + 2 for shield "17 (splint)"
+                return String.format("%d (splint%s)", armorType.baseArmorClass + shieldBonus, hasShield ? ", shield" : "");
+            case PLATE_MAIL:
+                // 18 + 2 for shield "18 (plate)"
+                return String.format("%d (plate%s)", armorType.baseArmorClass + shieldBonus, hasShield ? ", shield" : "");
+            case OTHER:
+                // pure string value shield check does nothing just copies the string from otherArmorDesc
+                return otherArmorDescription;
+            default:
+                return "";
+        }
     }
 
     public String getHitPoints() {
-        if (getCustomHP()) {
-            return getHPText();
+        if (hasCustomHP) {
+            return customHPDescription;
         } else {
-            int hitDice = getHitDice();
-            int dieSize = getHitDieForSize(getSize());
+            int dieSize = getHitDieForSize(size);
             int conMod = getConstitutionModifier();
             // For PC style calculations use this
             //int hpTotal = (int) Math.max(1, Math.ceil(dieSize + conMod + (hitDice - 1) * ((dieSize + 1) / 2.0 + conMod)));
             // For monster style calculations use this
             int hpTotal = (int) Math.max(1, Math.ceil(hitDice * ((dieSize + 1) / 2.0 + conMod)));
-            return String.format(Locale.US, "%d (%dd%d %+d)", hpTotal, hitDice, dieSize, conMod * hitDice);
+            return String.format("%d (%dd%d %+d)", hpTotal, hitDice, dieSize, conMod * hitDice);
         }
     }
 
@@ -421,308 +490,93 @@ public class Monster {
         }
     }
 
-    @Ignore()
-    private String mSpeed;
-
-    public String getSpeed() {
-        return mSpeed;
-    }
-
-    public void setSpeed(String value) {
-        mSpeed = value;
-    }
-
-    @Ignore()
-    private String mBurrowSpeed;
-
-    public String getBurrowSpeed() {
-        return mBurrowSpeed;
-    }
-
-    public void setBurrowSpeed(String value) {
-        mBurrowSpeed = value;
-    }
-
-    @Ignore()
-    private String mClimbSpeed;
-
-    public String getClimbSpeed() {
-        return mClimbSpeed;
-    }
-
-    public void setClimbSpeed(String value) {
-        mClimbSpeed = value;
-    }
-
-    @Ignore()
-    private String mFlySpeed;
-
-    public String getFlySpeed() {
-        return mFlySpeed;
-    }
-
-    public void setFlySpeed(String value) {
-        mFlySpeed = value;
-    }
-
-    @Ignore()
-    private boolean mHover;
-
-    public boolean getHover() {
-        return mHover;
-    }
-
-    public void setHover(boolean value) {
-        mHover = value;
-    }
-
-    @Ignore()
-    private String mSwimSpeed;
-
-    public String getSwimSpeed() {
-        return mSwimSpeed;
-    }
-
-    public void setSwimSpeed(String value) {
-        mSwimSpeed = value;
-    }
-
-    @Ignore()
-    private boolean mCustomSpeed;
-
-    public boolean getCustomSpeed() {
-        return mCustomSpeed;
-    }
-
-    public void setCustomSpeed(boolean value) {
-        mCustomSpeed = value;
-    }
-
-    @Ignore()
-    private String mSpeedDescription;
-
-    public String getSpeedDescription() {
-        return mSpeedDescription;
-    }
-
-    public void setSpeedDescription(String value) {
-        mSpeedDescription = value;
-    }
-
     public String getSpeedText() {
-        if (getCustomSpeed()) {
-            return getSpeedDescription();
+        if (hasCustomSpeed) {
+            return customSpeedDescription;
         } else {
             ArrayList<String> speedParts = new ArrayList<>();
-            speedParts.add(String.format("%s ft.", getSpeed()));
-            String burrowSpeed = getBurrowSpeed();
-            if (!StringHelper.isNullOrEmpty(burrowSpeed) && !"0".equals(burrowSpeed)) {
-                speedParts.add(String.format("burrow %s ft.", burrowSpeed));
+            if (walkSpeed > 0) {
+                speedParts.add(String.format("%d ft.", walkSpeed));
             }
-
-            String climbSpeed = getClimbSpeed();
-            if (!StringHelper.isNullOrEmpty(climbSpeed) && !"0".equals(climbSpeed)) {
-                speedParts.add(String.format("climb %s ft.", climbSpeed));
+            if (burrowSpeed > 0) {
+                speedParts.add(String.format("burrow %d ft.", burrowSpeed));
             }
-
-            String flySpeed = getFlySpeed();
-            if (!StringHelper.isNullOrEmpty(flySpeed) && !"0".equals(flySpeed)) {
-                speedParts.add(String.format("fly %s ft.%s", flySpeed, getHover() ? " (hover)" : ""));
+            if (climbSpeed > 0) {
+                speedParts.add(String.format("climb %d ft.", climbSpeed));
             }
-
-            String swimSpeed = getSwimSpeed();
-            if (!StringHelper.isNullOrEmpty(swimSpeed) && !"0".equals(swimSpeed)) {
-                speedParts.add(String.format("swim %s ft.", swimSpeed));
+            if (flySpeed > 0) {
+                speedParts.add(String.format("fly %d ft.%s", flySpeed, canHover ? " (hover)" : ""));
+            }
+            if (swimSpeed > 0) {
+                speedParts.add(String.format("swim %d ft.", swimSpeed));
             }
-
             return StringHelper.join(", ", speedParts);
         }
     }
 
     public String getStrengthDescription() {
-        return String.format(Locale.US, "%d (%+d)", getStrengthScore(), getStrengthModifier());
+        return String.format("%d (%+d)", strengthScore, getStrengthModifier());
     }
 
     public String getDexterityDescription() {
-        return String.format(Locale.US, "%d (%+d)", getDexterityScore(), getDexterityModifier());
+        return String.format("%d (%+d)", dexterityScore, getDexterityModifier());
     }
 
     public String getConstitutionDescription() {
-        return String.format(Locale.US, "%d (%+d)", getConstitutionScore(), getConstitutionModifier());
+        return String.format("%d (%+d)", constitutionScore, getConstitutionModifier());
     }
 
     public String getIntelligenceDescription() {
-        return String.format(Locale.US, "%d (%+d)", getIntelligenceScore(), getIntelligenceModifier());
+        return String.format("%d (%+d)", intelligenceScore, getIntelligenceModifier());
     }
 
     public String getWisdomDescription() {
-        return String.format(Locale.US, "%d (%+d)", getWisdomScore(), getWisdomModifier());
+        return String.format("%d (%+d)", wisdomScore, getWisdomModifier());
     }
 
     public String getCharismaDescription() {
-        return String.format(Locale.US, "%d (%+d)", getCharismaScore(), getCharismaModifier());
-    }
-
-    @Ignore()
-    private HashSet<SavingThrow> mSavingThrows;
-
-    public Set<SavingThrow> getSavingThrows() {
-        return mSavingThrows;
-    }
-
-    public void addSavingThrow(SavingThrow savingThrow) {
-        mSavingThrows.add(savingThrow);
-    }
-
-    public void removeSavingThrow(SavingThrow savingThrow) {
-        mSavingThrows.remove(savingThrow);
-    }
-
-    public void clearSavingThrows() {
-        mSavingThrows.clear();
+        return String.format("%d (%+d)", charismaScore, getCharismaModifier());
     }
 
     public String getSavingThrowsDescription() {
-        SavingThrow[] elements = new SavingThrow[mSavingThrows.size()];
-        elements = mSavingThrows.toArray(elements);
-        Arrays.sort(elements);
-        StringBuilder sb = new StringBuilder();
-        boolean isFirst = true;
-        for (SavingThrow st : elements) {
-            if (!isFirst) {
-                sb.append(", ");
+        List<String> parts = new ArrayList<>();
+        for (AbilityScore abilityScore : AbilityScore.values()) {
+            AdvantageType advantage = getSavingThrowAdvantageType(abilityScore);
+            ProficiencyType proficiency = getSavingThrowProficiencyType(abilityScore);
+            if (advantage != AdvantageType.NONE || proficiency != ProficiencyType.NONE) {
+                int bonus = getAbilityModifier(abilityScore) + getProficiencyBonus(proficiency);
+                String part = String.format("%s %+d%s", abilityScore.displayName, bonus, advantage != AdvantageType.NONE ? " " + advantage.label : "");
+                parts.add(part);
             }
-            String name = st.getName();
-
-            sb.append(String.format(Locale.US, "%s%s %+d", name.substring(0, 1).toUpperCase(Locale.US), name.substring(1), getAbilityModifier(name) + getProficiencyBonus()));
-            isFirst = false;
         }
-        return sb.toString();
+        return StringHelper.join(", ", parts);
     }
 
     public int getProficiencyBonus() {
-        String challengeRating = getChallengeRating();
-        if ("*".equals(challengeRating)) {
-            return getCustomProficiencyBonus();
-        } else if (
-                "0".equals(challengeRating) ||
-                        "1/8".equals(challengeRating) ||
-                        "1/4".equals(challengeRating) ||
-                        "1/2".equals(challengeRating) ||
-                        "1".equals(challengeRating) ||
-                        "2".equals(challengeRating) ||
-                        "3".equals(challengeRating) ||
-                        "4".equals(challengeRating)
-        ) {
-            return 2;
-        } else if (
-                "5".equals(challengeRating) ||
-                        "6".equals(challengeRating) ||
-                        "7".equals(challengeRating) ||
-                        "8".equals(challengeRating)
-        ) {
-            return 3;
-        } else if (
-                "9".equals(challengeRating) ||
-                        "10".equals(challengeRating) ||
-                        "11".equals(challengeRating) ||
-                        "12".equals(challengeRating)
-        ) {
-            return 4;
-        } else if (
-                "13".equals(challengeRating) ||
-                        "14".equals(challengeRating) ||
-                        "15".equals(challengeRating) ||
-                        "16".equals(challengeRating)
-        ) {
-            return 5;
-        } else if (
-                "17".equals(challengeRating) ||
-                        "18".equals(challengeRating) ||
-                        "19".equals(challengeRating) ||
-                        "20".equals(challengeRating)
-        ) {
-            return 6;
-        } else if (
-                "21".equals(challengeRating) ||
-                        "22".equals(challengeRating) ||
-                        "23".equals(challengeRating) ||
-                        "24".equals(challengeRating)
-        ) {
-            return 7;
-        } else if (
-                "25".equals(challengeRating) ||
-                        "26".equals(challengeRating) ||
-                        "27".equals(challengeRating) ||
-                        "28".equals(challengeRating)
-        ) {
-            return 8;
-        } else if (
-                "29".equals(challengeRating) ||
-                        "30".equals(challengeRating)
-        ) {
-            return 9;
+        ChallengeRating challengeRating = this.challengeRating != null ? this.challengeRating : ChallengeRating.ONE;
+        if (challengeRating == ChallengeRating.CUSTOM) {
+            return customProficiencyBonus;
         } else {
-            return 0;
+            return challengeRating.proficiencyBonus;
         }
     }
 
-    @Ignore()
-    private String mChallengeRating;
+    public int getProficiencyBonus(ProficiencyType proficiencyType) {
+        switch (proficiencyType) {
+            case PROFICIENT:
+                return getProficiencyBonus();
+            case EXPERTISE:
+                return getProficiencyBonus() * 2;
+            case NONE:
+            default:
+                return 0;
+        }
 
-    public String getChallengeRating() {
-        return mChallengeRating;
-    }
-
-    public void setChallengeRating(String challengeRating) {
-        mChallengeRating = challengeRating;
-        // TODO: update proficiency bonus based on CR
-    }
-
-    @Ignore()
-    private String mCustomChallengeRating;
-
-    public String getCustomChallengeRating() {
-        return mCustomChallengeRating;
-    }
-
-    public void setCustomChallengeRating(String challengeRating) {
-        mCustomChallengeRating = challengeRating;
-    }
-
-    @Ignore()
-    private int mCustomProficiencyBonus;
-
-    public int getCustomProficiencyBonus() {
-        return mCustomProficiencyBonus;
-    }
-
-    public void setCustomProficiencyBonus(int proficiencyBonus) {
-        mCustomProficiencyBonus = proficiencyBonus;
-    }
-
-    @Ignore()
-    private HashSet<Skill> mSkills;
-
-    public Set<Skill> getSkills() {
-        return mSkills;
-    }
-
-    public void addSkill(Skill skill) {
-        mSkills.add(skill);
-    }
-
-    public void removeSkill(Skill skill) {
-        mSkills.remove(skill);
-    }
-
-    public void clearSkill(Skill skill) {
-        mSkills.clear();
     }
 
     public String getSkillsDescription() {
-        Skill[] elements = new Skill[mSkills.size()];
-        elements = mSkills.toArray(elements);
+        Skill[] elements = new Skill[skills.size()];
+        elements = skills.toArray(elements);
         Arrays.sort(elements);
         StringBuilder sb = new StringBuilder();
         boolean isFirst = true;
@@ -730,38 +584,17 @@ public class Monster {
             if (!isFirst) {
                 sb.append(", ");
             }
-            String name = skill.getName();
             sb.append(skill.getText(this));
             isFirst = false;
         }
         return sb.toString();
     }
 
-    @Ignore()
-    private HashSet<DamageType> mDamageTypes;
-
-    public Set<DamageType> getDamageTypes() {
-        return mDamageTypes;
-    }
-
-    public void addDamageType(DamageType damageType) {
-        // TODO: make this remove the damage type with the same name if it exists first
-        mDamageTypes.add(damageType);
-    }
-
-    public void removeDamageType(DamageType damageType) {
-        mDamageTypes.remove(damageType);
-    }
-
-    public void clearDamageTypes() {
-        mDamageTypes.clear();
-    }
-
     public String getDamageVulnerabilitiesDescription() {
         ArrayList<String> vulnerabilities = new ArrayList<>();
-        for (DamageType damageType : mDamageTypes) {
-            if (damageType != null && "v".equals(damageType.getType()) && !StringHelper.isNullOrEmpty(damageType.getName())) {
-                vulnerabilities.add(damageType.getName());
+        for (String damageType : damageVulnerabilities) {
+            if (!StringHelper.isNullOrEmpty(damageType)) {
+                vulnerabilities.add(damageType);
             }
         }
         Collections.sort(vulnerabilities);
@@ -769,178 +602,56 @@ public class Monster {
     }
 
     public String getDamageResistancesDescription() {
-        ArrayList<String> vulnerabilities = new ArrayList<>();
-        for (DamageType damageType : mDamageTypes) {
-            if (damageType != null && "r".equals(damageType.getType()) && !StringHelper.isNullOrEmpty(damageType.getName())) {
-                vulnerabilities.add(damageType.getName());
+        ArrayList<String> resistances = new ArrayList<>();
+        for (String damageType : damageResistances) {
+            if (!StringHelper.isNullOrEmpty(damageType)) {
+                resistances.add(damageType);
             }
         }
-        Collections.sort(vulnerabilities);
-        return StringHelper.oxfordJoin(", ", ", and ", " and ", vulnerabilities);
+        Collections.sort(resistances);
+        return StringHelper.oxfordJoin(", ", ", and ", " and ", resistances);
     }
 
     public String getDamageImmunitiesDescription() {
-        ArrayList<String> vulnerabilities = new ArrayList<>();
-        for (DamageType damageType : mDamageTypes) {
-            if (damageType != null && "i".equals(damageType.getType()) && !StringHelper.isNullOrEmpty(damageType.getName())) {
-                vulnerabilities.add(damageType.getName());
+        ArrayList<String> immunities = new ArrayList<>();
+        for (String damageType : damageImmunities) {
+            if (!StringHelper.isNullOrEmpty(damageType)) {
+                immunities.add(damageType);
             }
         }
-        Collections.sort(vulnerabilities);
-        return StringHelper.oxfordJoin(", ", ", and ", " and ", vulnerabilities);
-    }
-
-    @Ignore()
-    private HashSet<String> mConditionImmunities;
-
-    public Set<String> getConditionImmunities() {
-        return mConditionImmunities;
-    }
-
-    public void addConditionImmunity(String condition) {
-        // TODO: filter out duplicates
-        mConditionImmunities.add(condition);
-    }
-
-    public void removeConditionImmunity(String condition) {
-        // TODO: make sure this works even though we're using strings
-        mConditionImmunities.remove(condition);
-    }
-
-    public void clearConditionImmunities() {
-        mConditionImmunities.clear();
-    }
-
-    public String getConditionImmunitiesDescription() {
-        ArrayList<String> immunities = new ArrayList<>(getConditionImmunities());
         Collections.sort(immunities);
         return StringHelper.oxfordJoin(", ", ", and ", " and ", immunities);
     }
 
-    @Ignore()
-    private String mBlindsight;
-
-    public String getBlindsight() {
-        return mBlindsight;
-    }
-
-    public void setBlindsight(String value) {
-        mBlindsight = value;
-    }
-
-    @Ignore()
-    private boolean mIsBlind;
-
-    public boolean getIsBlind() {
-        return mIsBlind;
-    }
-
-    public void setIsBlind(boolean value) {
-        mIsBlind = value;
-    }
-
-    @Ignore()
-    private String mDarkvision;
-
-    public String getDarkvision() {
-        return mDarkvision;
-    }
-
-    public void setDarkvision(String value) {
-        mDarkvision = value;
-    }
-
-    @Ignore()
-    private String mTremorsense;
-
-    public String getTremorsense() {
-        return mTremorsense;
-    }
-
-    public void setTremorsense(String value) {
-        mTremorsense = value;
-    }
-
-    @Ignore()
-    private String mTruesight;
-
-    public String getTruesight() {
-        return mTruesight;
-    }
-
-    public void setTruesight(String value) {
-        mTruesight = value;
+    public String getConditionImmunitiesDescription() {
+        ArrayList<String> immunities = new ArrayList<>(conditionImmunities);
+        Collections.sort(immunities);
+        return StringHelper.oxfordJoin(", ", ", and ", " and ", immunities);
     }
 
     public String getSensesDescription() {
         ArrayList<String> parts = new ArrayList<>();
-
-        String blindsight = getBlindsight();
-        if (!StringHelper.isNullOrEmpty(blindsight) && !"0".equals(blindsight)) {
-            parts.add(String.format(Locale.US, "blindsight %s ft.%s", blindsight, getIsBlind() ? " (blind beyond this radius)" : ""));
+        if (blindsightRange > 0) {
+            parts.add(String.format("blindsight %d ft.%s", blindsightRange, isBlindBeyondBlindsightRange ? " (blind beyond this radius)" : ""));
         }
-        String darkvision = getDarkvision();
-        if (!StringHelper.isNullOrEmpty(darkvision) && !"0".equals(darkvision)) {
-            parts.add(String.format(Locale.US, "darkvision %s ft.", darkvision));
+        if (darkvisionRange > 0) {
+            parts.add(String.format("darkvision %d ft.", darkvisionRange));
         }
-        String tremorsense = getTremorsense();
-        if (!StringHelper.isNullOrEmpty(tremorsense) && !"0".equals(tremorsense)) {
-            parts.add(String.format(Locale.US, "tremorsense %s ft.", tremorsense));
+        if (tremorsenseRange > 0) {
+            parts.add(String.format("tremorsense %d ft.", tremorsenseRange));
         }
-        String truesight = getTruesight();
-        if (!StringHelper.isNullOrEmpty(truesight) && !"0".equals(truesight)) {
-            parts.add(String.format(Locale.US, "truesight %s ft.", truesight));
+        if (truesightRange > 0) {
+            parts.add(String.format("truesight %d ft.", truesightRange));
         }
-        parts.add(String.format(Locale.US, "passive Perception %d", 10 + getWisdomModifier()));
+        parts.add(String.format("passive Perception %d", 10 + getWisdomModifier()));
 
         return StringHelper.join(", ", parts);
     }
 
-    @Ignore()
-    private HashSet<Language> mLanguages;
-
-    public Set<Language> getLanguages() {
-        return mLanguages;
-    }
-
-    public void addLanguage(Language value) {
-        mLanguages.add(value);
-    }
-
-    public void removeLanguage(Language value) {
-        mLanguages.remove(value);
-    }
-
-    public void clearLanguages() {
-        mLanguages.clear();
-    }
-
-    @Ignore()
-    private int mTelepathy;
-
-    public int getTelepathy() {
-        return mTelepathy;
-    }
-
-    public void setTelepathy(int value) {
-        mTelepathy = value;
-    }
-
-    @Ignore()
-    private String mUnderstandsBut;
-
-    public String getUnderstandsBut() {
-        return mUnderstandsBut;
-    }
-
-    public void setUnderstandsBut(String value) {
-        mUnderstandsBut = value;
-    }
-
     public String getLanguagesDescription() {
         ArrayList<String> spokenLanguages = new ArrayList<>();
         ArrayList<String> understoodLanguages = new ArrayList<>();
-        for (Language language : mLanguages) {
+        for (Language language : languages) {
             if (language != null) {
                 if (language.getSpeaks()) {
                     spokenLanguages.add(language.getName());
@@ -955,11 +666,9 @@ public class Monster {
         String spokenLanguagesString = StringHelper.oxfordJoin(", ", ", and ", " and ", spokenLanguages);
         String understoodLanguagesString = StringHelper.oxfordJoin(", ", ", and ", " and ", understoodLanguages);
 
-        String understandsBut = getUnderstandsBut();
-        boolean hasUnderstandsBut = understandsBut.length() > 0;
-        int telepathy = getTelepathy();
-        boolean hasTelepathy = telepathy > 0;
-        String telepathyString = String.format(Locale.US, ", telepathy %d ft.", telepathy);
+        boolean hasUnderstandsBut = understandsButDescription.length() > 0;
+        boolean hasTelepathy = telepathyRange > 0;
+        String telepathyString = String.format(", telepathy %d ft.", telepathyRange);
 
         if (spokenLanguages.size() > 0) {
             if (understoodLanguages.size() > 0) {
@@ -967,13 +676,13 @@ public class Monster {
                         "%s, understands %s%s%s",
                         spokenLanguagesString,
                         understoodLanguagesString,
-                        hasUnderstandsBut ? " but " + understandsBut : "",
+                        hasUnderstandsBut ? " but " + understandsButDescription : "",
                         hasTelepathy ? telepathyString : "");
             } else {
                 return String.format(
                         "%s%s%s",
                         spokenLanguagesString,
-                        hasUnderstandsBut ? " but " + understandsBut : "",
+                        hasUnderstandsBut ? " but " + understandsButDescription : "",
                         hasTelepathy ? telepathyString : "");
             }
         } else {
@@ -981,185 +690,95 @@ public class Monster {
                 return String.format(
                         "understands %s%s%s",
                         understoodLanguagesString,
-                        hasUnderstandsBut ? " but " + understandsBut : "",
+                        hasUnderstandsBut ? " but " + understandsButDescription : "",
                         hasTelepathy ? telepathyString : "");
             } else {
                 return String.format(
                         "%S%s",
-                        hasUnderstandsBut ? "none but " + understandsBut : "",
+                        hasUnderstandsBut ? "none but " + understandsButDescription : "",
                         hasTelepathy ? telepathyString : "");
             }
         }
     }
 
     public String getChallengeRatingDescription() {
-        String challengeRating = getChallengeRating();
-        if ("*".equals(challengeRating)) {
-            // Custom CR
-            return getCustomChallengeRating();
-        } else if ("0".equals(challengeRating)) {
-            return "0 (10 XP)";
-        } else if ("1/8".equals(challengeRating)) {
-            return "1/8 (25 XP)";
-        } else if ("1/4".equals(challengeRating)) {
-            return "1/4 (50 XP)";
-        } else if ("1/2".equals(challengeRating)) {
-            return "1/2 (100 XP)";
-        } else if ("1".equals(challengeRating)) {
-            return "1 (200 XP)";
-        } else if ("2".equals(challengeRating)) {
-            return "2 (450 XP)";
-        } else if ("3".equals(challengeRating)) {
-            return "3 (700 XP)";
-        } else if ("4".equals(challengeRating)) {
-            return "4 (1,100 XP)";
-        } else if ("5".equals(challengeRating)) {
-            return "5 (1,800 XP)";
-        } else if ("6".equals(challengeRating)) {
-            return "6 (2,300 XP)";
-        } else if ("7".equals(challengeRating)) {
-            return "7 (2,900 XP)";
-        } else if ("8".equals(challengeRating)) {
-            return "8 (3,900 XP)";
-        } else if ("9".equals(challengeRating)) {
-            return "9 (5,000 XP)";
-        } else if ("10".equals(challengeRating)) {
-            return "10 (5,900 XP)";
-        } else if ("11".equals(challengeRating)) {
-            return "11 (7,200 XP)";
-        } else if ("12".equals(challengeRating)) {
-            return "12 (8,400 XP)";
-        } else if ("13".equals(challengeRating)) {
-            return "13 (10,000 XP)";
-        } else if ("14".equals(challengeRating)) {
-            return "14 (11,500 XP)";
-        } else if ("15".equals(challengeRating)) {
-            return "15 (13,000 XP)";
-        } else if ("16".equals(challengeRating)) {
-            return "16 (15,000 XP)";
-        } else if ("17".equals(challengeRating)) {
-            return "17 (18,000 XP)";
-        } else if ("18".equals(challengeRating)) {
-            return "18 (20,000 XP)";
-        } else if ("19".equals(challengeRating)) {
-            return "19 (22,000 XP)";
-        } else if ("20".equals(challengeRating)) {
-            return "20 (25,000 XP)";
-        } else if ("21".equals(challengeRating)) {
-            return "21 (33,000 XP)";
-        } else if ("22".equals(challengeRating)) {
-            return "22 (41,000 XP)";
-        } else if ("23".equals(challengeRating)) {
-            return "23 (50,000 XP)";
-        } else if ("24".equals(challengeRating)) {
-            return "24 (62,000 XP)";
-        } else if ("25".equals(challengeRating)) {
-            return "25 (75,000 XP)";
-        } else if ("26".equals(challengeRating)) {
-            return "26 (90,000 XP)";
-        } else if ("27".equals(challengeRating)) {
-            return "27 (105,000 XP)";
-        } else if ("28".equals(challengeRating)) {
-            return "28 (120,000 XP)";
-        } else if ("29".equals(challengeRating)) {
-            return "29 (135,000 XP)";
-        } else if ("30".equals(challengeRating)) {
-            return "30 (155,000 XP)";
+        ChallengeRating challengeRating = this.challengeRating != null ? this.challengeRating : ChallengeRating.ONE;
+        if (challengeRating == ChallengeRating.CUSTOM) {
+            return customChallengeRatingDescription;
         } else {
-            return getCustomChallengeRating();
+            return challengeRating.displayName;
         }
     }
 
-    @Ignore()
-    private ArrayList<Ability> mAbilities;
-
-    public List<Ability> getAbilities() {
-        return mAbilities;
-    }
-
-    public void addAbility(Ability ability) {
-        mAbilities.add(ability);
-    }
-
-    public void removeAbility(Ability ability) {
-        mAbilities.remove(ability);
-    }
-
-    public void clearAbilities() {
-        mAbilities.clear();
-    }
-
     public List<String> getAbilityDescriptions() {
-        ArrayList<String> abilities = new ArrayList<>();
-        for (Ability ability : getAbilities()) {
-            abilities.add(getPlaceholderReplacedText(String.format("__%s__ %s", ability.getName(), ability.getDescription())));
+        ArrayList<String> abilityDescriptions = new ArrayList<>();
+        for (Trait ability : abilities) {
+            abilityDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", ability.name, ability.description)));
         }
-        return abilities;
+        return abilityDescriptions;
     }
 
     public String getPlaceholderReplacedText(String rawText) {
         return rawText
-                .replaceAll("\\[STR SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("strength")))
-                .replaceAll("\\[STR ATK]", String.format(Locale.US, "%+d", getAttackBonus("strength")))
-                .replaceAll("\\[DEX SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("dexterity")))
-                .replaceAll("\\[DEX ATK]", String.format(Locale.US, "%+d", getAttackBonus("dexterity")))
-                .replaceAll("\\[CON SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("constitution")))
-                .replaceAll("\\[CON ATK]", String.format(Locale.US, "%+d", getAttackBonus("constitution")))
-                .replaceAll("\\[INT SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("intelligence")))
-                .replaceAll("\\[INT ATK]", String.format(Locale.US, "%+d", getAttackBonus("intelligence")))
-                .replaceAll("\\[WIS SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("wisdom")))
-                .replaceAll("\\[WIS ATK]", String.format(Locale.US, "%+d", getAttackBonus("wisdom")))
-                .replaceAll("\\[CHA SAVE]", String.format(Locale.US, "%+d", getSpellSaveDC("charisma")))
-                .replaceAll("\\[CHA ATK]", String.format(Locale.US, "%+d", getAttackBonus("charisma")));
+                .replaceAll("\\[STR SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.STRENGTH)))
+                .replaceAll("\\[STR ATK]", String.format("%+d", getAttackBonus(AbilityScore.STRENGTH)))
+                .replaceAll("\\[DEX SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.DEXTERITY)))
+                .replaceAll("\\[DEX ATK]", String.format("%+d", getAttackBonus(AbilityScore.DEXTERITY)))
+                .replaceAll("\\[CON SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.CONSTITUTION)))
+                .replaceAll("\\[CON ATK]", String.format("%+d", getAttackBonus(AbilityScore.CONSTITUTION)))
+                .replaceAll("\\[INT SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.INTELLIGENCE)))
+                .replaceAll("\\[INT ATK]", String.format("%+d", getAttackBonus(AbilityScore.INTELLIGENCE)))
+                .replaceAll("\\[WIS SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.WISDOM)))
+                .replaceAll("\\[WIS ATK]", String.format("%+d", getAttackBonus(AbilityScore.WISDOM)))
+                .replaceAll("\\[CHA SAVE]", String.format("%+d", getSpellSaveDC(AbilityScore.CHARISMA)))
+                .replaceAll("\\[CHA ATK]", String.format("%+d", getAttackBonus(AbilityScore.CHARISMA)));
     }
 
-    public int getSavingThrow(String name) {
-        Set<SavingThrow> sts = getSavingThrows();
-        for (SavingThrow st : sts) {
-            if (name.equals(st.getName())) {
-                return getAbilityModifier(name) + getProficiencyBonus();
-            }
-        }
-        return getAbilityModifier(name);
+    public int getSpellSaveDC(AbilityScore abilityScore) {
+        return 8 + getProficiencyBonus() + getAbilityModifier(abilityScore);
     }
 
-    public String getWisdomSave() {
-        return String.format(Locale.US, "%+d", getSavingThrow("wis"));
-    }
-
-    public int getSpellSaveDC(String abilityScoreName) {
-        return 8 + getProficiencyBonus() + getAbilityModifier(abilityScoreName);
-    }
-
-    public int getAttackBonus(String abilityScoreName) {
-        return getProficiencyBonus() + getAbilityModifier(abilityScoreName);
+    public int getAttackBonus(AbilityScore abilityScore) {
+        return getProficiencyBonus() + getAbilityModifier(abilityScore);
     }
 
     public List<String> getActionDescriptions() {
-        ArrayList<String> actions = new ArrayList<>();
-        for (Action action : getActions()) {
-            actions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.getName(), action.getDescription())));
+        ArrayList<String> actionDescriptions = new ArrayList<>();
+        for (Trait action : actions) {
+            actionDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.name, action.description)));
         }
-        return actions;
+        return actionDescriptions;
     }
 
-    @Ignore()
-    private ArrayList<Action> mActions;
-
-    public List<Action> getActions() {
-        return mActions;
+    public List<String> getReactionDescriptions() {
+        ArrayList<String> actionDescriptions = new ArrayList<>();
+        for (Trait action : reactions) {
+            actionDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.name, action.description)));
+        }
+        return actionDescriptions;
     }
 
-    public void addAction(Action ability) {
-        mActions.add(ability);
+    public List<String> getLegendaryActionDescriptions() {
+        ArrayList<String> actionDescriptions = new ArrayList<>();
+        for (Trait action : legendaryActions) {
+            actionDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.name, action.description)));
+        }
+        return actionDescriptions;
     }
 
-    public void removeAction(Action ability) {
-        mActions.remove(ability);
+    public List<String> getLairActionDescriptions() {
+        ArrayList<String> actionDescriptions = new ArrayList<>();
+        for (Trait action : lairActions) {
+            actionDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.name, action.description)));
+        }
+        return actionDescriptions;
     }
 
-    public void clearActions() {
-        mActions.clear();
+    public List<String> getRegionalActionDescriptions() {
+        ArrayList<String> actionDescriptions = new ArrayList<>();
+        for (Trait action : regionalActions) {
+            actionDescriptions.add(getPlaceholderReplacedText(String.format("__%s__ %s", action.name, action.description)));
+        }
+        return actionDescriptions;
     }
-
 }
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Skill.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Skill.java
index 3580f0e..6553657 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Skill.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Skill.java
@@ -1,70 +1,69 @@
 package com.majinnaibu.monstercards.models;
 
-import java.util.Comparator;
-import java.util.Locale;
+import android.annotation.SuppressLint;
 
+import com.majinnaibu.monstercards.data.enums.AbilityScore;
+import com.majinnaibu.monstercards.data.enums.AdvantageType;
+import com.majinnaibu.monstercards.data.enums.ProficiencyType;
+
+import java.util.Comparator;
+
+@SuppressLint("DefaultLocale")
 public class Skill implements Comparator<Skill>, Comparable<Skill> {
 
-    private String mName;
-    private String mAbilityScoreName;
-    private String mNote;
+    public String name;
+    public AbilityScore abilityScore;
+    public AdvantageType advantageType;
+    public ProficiencyType proficiencyType;
 
-    public Skill(String name, String abilityScoreName) {
-        mName = name;
-        mAbilityScoreName = abilityScoreName;
-        mNote = "";
+    public Skill(String name, AbilityScore abilityScore) {
+        this(name, abilityScore, AdvantageType.NONE, ProficiencyType.PROFICIENT);
     }
 
-    public Skill(String name, String abilityScoreName, String note) {
-        mName = name;
-        mAbilityScoreName = abilityScoreName;
-        mNote = note;
+    public Skill(String name, AbilityScore abilityScore, AdvantageType advantageType) {
+        this(name, abilityScore, advantageType, ProficiencyType.PROFICIENT);
     }
 
-    public String getName() {
-        return mName;
-    }
-
-    public void setName(String name) {
-        mName = name;
-    }
-
-    public String getAbilityScoreName() {
-        return mAbilityScoreName;
-    }
-
-    public void setAbilityScoreName(String abilityScoreName) {
-        mAbilityScoreName = abilityScoreName;
-    }
-
-    public String getNote() {
-        return mNote;
+    public Skill(String name, AbilityScore abilityScore, AdvantageType advantageType, ProficiencyType proficiencyType) {
+        this.name = name;
+        this.abilityScore = abilityScore;
+        this.advantageType = advantageType;
+        this.proficiencyType = proficiencyType;
     }
 
     public int getSkillBonus(Monster monster) {
-        int bonus = monster.getAbilityModifier(mAbilityScoreName);
-        if (" (ex)".equals(getNote())) {
-            bonus += 2 * monster.getProficiencyBonus();
-        } else {
-            bonus += monster.getProficiencyBonus();
+        int modifier = monster.getAbilityModifier(abilityScore);
+        switch (proficiencyType) {
+            case PROFICIENT:
+                return modifier + monster.getProficiencyBonus();
+            case EXPERTISE:
+                return modifier + monster.getProficiencyBonus() * 2;
+            case NONE:
+            default:
+                return modifier;
         }
-        return bonus;
     }
 
     public String getText(Monster monster) {
         int bonus = getSkillBonus(monster);
 
-        return String.format(Locale.US, "%s%s %d", mName.substring(0, 1), mName.substring(1), bonus);
+        return String.format(
+                "%s%s %+d%s",
+                name.substring(0, 1),
+                name.substring(1),
+                bonus,
+                advantageType == AdvantageType.ADVANTAGE ? " A" : advantageType == AdvantageType.DISADVANTAGE ? " D" : ""
+        );
     }
 
     @Override
     public int compareTo(Skill o) {
-        return this.getName().compareToIgnoreCase(o.getName());
+        return this.name.compareToIgnoreCase(o.name);
     }
 
     @Override
     public int compare(Skill o1, Skill o2) {
-        return o1.getName().compareToIgnoreCase(o2.getName());
+        return o1.name.compareToIgnoreCase(o2.name);
     }
 
 }
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Trait.java b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Trait.java
index f6a5703..61a5c55 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/models/Trait.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/models/Trait.java
@@ -1,11 +1,6 @@
 package com.majinnaibu.monstercards.models;
 
-import androidx.annotation.Nullable;
-
-import java.util.Comparator;
-import java.util.Objects;
-
-public class Trait implements Comparator<Trait>, Comparable<Trait> {
+public class Trait {
 
     public String name;
     public String description;
@@ -14,36 +9,4 @@ public class Trait implements Comparator<Trait>, Comparable<Trait> {
         this.name = name;
         this.description = description;
     }
-
-    @Override
-    public int compareTo(Trait o) {
-        return compare(this, o);
-    }
-
-    @Override
-    public int compare(Trait o1, Trait o2) {
-        int result = o1.name.compareToIgnoreCase(o2.name);
-        if (result != 0) {
-            return result;
-        }
-        return o1.description.compareToIgnoreCase(o2.description);
-    }
-
-    @Override
-    public boolean equals(@Nullable Object obj) {
-        if (obj == null) {
-            return false;
-        }
-        if (!(obj instanceof Trait)) {
-            return false;
-        }
-        Trait otherTrait = (Trait) obj;
-        if (!Objects.equals(this.name, otherTrait.name)) {
-            return false;
-        }
-        if (!Objects.equals(this.description, otherTrait.description)) {
-            return false;
-        }
-        return true;
-    }
 }
diff --git a/Android/app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterFragment.java b/Android/app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterFragment.java
index e587b77..d157ea2 100644
--- a/Android/app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterFragment.java
+++ b/Android/app/src/main/java/com/majinnaibu/monstercards/ui/monster/MonsterFragment.java
@@ -14,23 +14,21 @@ import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
-import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 
 import com.majinnaibu.monstercards.R;
+import com.majinnaibu.monstercards.data.enums.AbilityScore;
+import com.majinnaibu.monstercards.data.enums.AdvantageType;
+import com.majinnaibu.monstercards.data.enums.ArmorType;
+import com.majinnaibu.monstercards.data.enums.ChallengeRating;
+import com.majinnaibu.monstercards.data.enums.ProficiencyType;
 import com.majinnaibu.monstercards.helpers.CommonMarkHelper;
 import com.majinnaibu.monstercards.helpers.StringHelper;
-import com.majinnaibu.monstercards.models.Ability;
-import com.majinnaibu.monstercards.models.Action;
-import com.majinnaibu.monstercards.models.DamageType;
 import com.majinnaibu.monstercards.models.Language;
 import com.majinnaibu.monstercards.models.Monster;
-import com.majinnaibu.monstercards.models.SavingThrow;
 import com.majinnaibu.monstercards.models.Skill;
-
-import java.util.List;
+import com.majinnaibu.monstercards.models.Trait;
 
 @SuppressWarnings("FieldCanBeLocal")
 public class MonsterFragment extends Fragment {
@@ -43,83 +41,96 @@ public class MonsterFragment extends Fragment {
         // TODO: remove this block make the monster ID a parameter to the view and get the monster from saved data (sqlite)
         Monster monster = new Monster();
         // Name
-        monster.name ="Pixie";
+        monster.name = "Pixie";
         // Meta
-        monster.setSize("tiny");
-        monster.setType("fey");
-        monster.setTag("");
-        monster.setAlignment("neutral good");
+        monster.size = "tiny";
+        monster.type = "fey";
+        monster.subtype = "";
+        monster.alignment = "neutral good";
+        monster.armorType = ArmorType.NONE;
         // Armor & Armor Class
-        monster.setArmorName("none");
-        monster.setShieldBonus(0);
-        monster.setNaturalArmorBonus(7);
-        monster.setOtherArmorDescription("14");
+        monster.shieldBonus = 0;
+        monster.naturalArmorBonus = 7;
+        monster.otherArmorDescription = "14";
         // Hit Points
-        monster.setHitDice(1);
-        monster.setCustomHP(false);
-        monster.setHPText("11 (2d8 + 2)");
-        monster.setSpeed("10");
-        monster.setBurrowSpeed("0");
-        monster.setClimbSpeed("0");
-        monster.setFlySpeed("30");
-        monster.setHover(false);
-        monster.setSwimSpeed("0");
-        monster.setCustomSpeed(false);
-        monster.setSpeedDescription("30 ft., swim 30 ft.");
+        monster.hitDice = 1;
+        monster.hasCustomHP = false;
+        monster.customHPDescription = "11 (2d8 + 2)";
+        monster.walkSpeed = 10;
+        monster.burrowSpeed = 0;
+        monster.climbSpeed = 0;
+        monster.flySpeed = 30;
+        monster.canHover = false;
+        monster.swimSpeed = 0;
+        monster.hasCustomSpeed = false;
+        monster.customSpeedDescription = "30 ft., swim 30 ft.";
         // Ability Scores
-        monster.setStrengthScore(Integer.parseInt("2"));
-        monster.setDexterityScore(Integer.parseInt("20"));
-        monster.setConstitutionScore(Integer.parseInt("8"));
-        monster.setIntelligenceScore(Integer.parseInt("10"));
-        monster.setWisdomScore(Integer.parseInt("14"));
-        monster.setCharismaScore(Integer.parseInt("15"));
+        monster.strengthScore = Integer.parseInt("2");
+        monster.dexterityScore = Integer.parseInt("20");
+        monster.constitutionScore = Integer.parseInt("8");
+        monster.intelligenceScore = Integer.parseInt("10");
+        monster.wisdomScore = Integer.parseInt("14");
+        monster.charismaScore = Integer.parseInt("15");
+//        monster.strengthScore = 10;
+//        monster.dexterityScore = 10;
+//        monster.constitutionScore = 10;
+//        monster.intelligenceScore = 10;
+//        monster.wisdomScore = 10;
+//        monster.charismaScore = 10;
+
         // Saving Throws
-        monster.addSavingThrow(new SavingThrow("str", 0));
-        monster.addSavingThrow(new SavingThrow("dex", 1));
-        monster.addSavingThrow(new SavingThrow("con", 2));
-        monster.addSavingThrow(new SavingThrow("int", 3));
-        monster.addSavingThrow(new SavingThrow("wis", 4));
-        monster.addSavingThrow(new SavingThrow("cha", 5));
+        monster.strengthSavingThrowAdvantage = AdvantageType.NONE;
+        monster.strengthSavingThrowProficiency = ProficiencyType.NONE;
+        monster.dexteritySavingThrowAdvantage = AdvantageType.ADVANTAGE;
+        monster.dexteritySavingThrowProficiency = ProficiencyType.PROFICIENT;
+        monster.constitutionSavingThrowAdvantage = AdvantageType.DISADVANTAGE;
+        monster.constitutionSavingThrowProficiency = ProficiencyType.EXPERTISE;
+        monster.intelligenceSavingThrowAdvantage = AdvantageType.NONE;
+        monster.intelligenceSavingThrowProficiency = ProficiencyType.EXPERTISE;
+        monster.wisdomSavingThrowAdvantage = AdvantageType.ADVANTAGE;
+        monster.wisdomSavingThrowProficiency = ProficiencyType.PROFICIENT;
+        monster.charismaSavingThrowAdvantage = AdvantageType.DISADVANTAGE;
+        monster.charismaSavingThrowProficiency = ProficiencyType.NONE;
         //Skills
-        monster.addSkill(new Skill("perception", "wis"));
-        monster.addSkill(new Skill("stealth", "dexterity"));
+        monster.skills.add(new Skill("perception", AbilityScore.WISDOM));
+        monster.skills.add(new Skill("stealth", AbilityScore.DEXTERITY));
         // Damage Types
-        monster.addDamageType(new DamageType("acid", " (Vulnerable)", "v"));
-        monster.addDamageType(new DamageType("bludgeoning", " (Vulnerable)", "v"));
-        monster.addDamageType(new DamageType("cold", " (Resistant)", "r"));
-        monster.addDamageType(new DamageType("fire", " (Resistant)", "r"));
-        monster.addDamageType(new DamageType("force", " (Immune)", "i"));
-        monster.addDamageType(new DamageType("lightning", " (Immune)", "i"));
-        monster.addDamageType(new DamageType("necrotic", " (Vulnerable)", "v"));
-        monster.addDamageType(new DamageType("piercing", " (Resistant)", "r"));
-        monster.addDamageType(new DamageType("poison", " (Immune)", "i"));
+        monster.damageImmunities.add("force");
+        monster.damageImmunities.add("lightning");
+        monster.damageImmunities.add("poison");
+        monster.damageResistances.add("cold");
+        monster.damageResistances.add("fire");
+        monster.damageResistances.add("piercing");
+        monster.damageVulnerabilities.add("acid");
+        monster.damageVulnerabilities.add("bludgeoning");
+        monster.damageVulnerabilities.add("necrotic");
         // Condition Immunities
-        monster.addConditionImmunity("blinded");
+        monster.conditionImmunities.add("blinded");
         // Senses
-        monster.setBlindsight("10");
-        monster.setIsBlind(true);
-        monster.setDarkvision("20");
-        monster.setTremorsense("30");
-        monster.setTruesight("40");
-        monster.setTelepathy(20);
-        monster.setUnderstandsBut("doesn't care");
+        monster.blindsightRange = 10;
+        monster.isBlindBeyondBlindsightRange = true;
+        monster.darkvisionRange = 20;
+        monster.tremorsenseRange = 30;
+        monster.truesightRange = 40;
+        monster.telepathyRange = 20;
+        monster.understandsButDescription = "doesn't care";
         // Languages
-        monster.addLanguage(new Language("English", true));
-        monster.addLanguage(new Language("Steve", false));
-        monster.addLanguage(new Language("Spanish", true));
-        monster.addLanguage(new Language("French", true));
-        monster.addLanguage(new Language("Mermataur", false));
-        monster.addLanguage(new Language("Goldfish", false));
+        monster.languages.add(new Language("English", true));
+        monster.languages.add(new Language("Steve", false));
+        monster.languages.add(new Language("Spanish", true));
+        monster.languages.add(new Language("French", true));
+        monster.languages.add(new Language("Mermataur", false));
+        monster.languages.add(new Language("Goldfish", false));
         // Challenge Rating
-        monster.setChallengeRating("*");
-        monster.setCustomChallengeRating("Infinite (0XP)");
-        monster.setCustomProficiencyBonus(4);
+        monster.challengeRating = ChallengeRating.CUSTOM;
+        monster.customChallengeRatingDescription = "Infinite (0XP)";
+        monster.customProficiencyBonus = 4;
         // Abilities
-        monster.addAbility(new Ability("Spellcasting", "The acolyte is a 1st-level spellcaster. Its spellcasting ability is Wisdom (spell save DC [WIS SAVE], [WIS ATK] to hit with spell attacks). The acolyte has following cleric spells prepared:\n\n\n> Cantrips (at will): _light, sacred flame, thaumaturgy_\n> 1st level (3 slots): _bless, cure wounds, sanctuary_"));
-        monster.addAbility(new Ability("Amphibious", "The dragon can breathe air and water."));
-        monster.addAbility(new Ability("Legendary Resistance (3/Day)", "If the dragon fails a saving throw, it can choose to succeed instead."));
+        monster.abilities.add(new Trait("Spellcasting", "The acolyte is a 1st-level spellcaster. Its spellcasting ability is Wisdom (spell save DC [WIS SAVE], [WIS ATK] to hit with spell attacks). The acolyte has following cleric spells prepared:\n\n\n> Cantrips (at will): _light, sacred flame, thaumaturgy_\n> 1st level (3 slots): _bless, cure wounds, sanctuary_"));
+        monster.abilities.add(new Trait("Amphibious", "The dragon can breathe air and water."));
+        monster.abilities.add(new Trait("Legendary Resistance (3/Day)", "If the dragon fails a saving throw, it can choose to succeed instead."));
         // Actions
-        monster.addAction(new Action("Club", "_Melee Weapon Attack:_ [STR ATK] to hit, reach 5 ft., one target. _Hit:_ 2 (1d4) bludgeoning damage."));
+        monster.actions.add(new Trait("Club", "_Melee Weapon Attack:_ [STR ATK] to hit, reach 5 ft., one target. _Hit:_ 2 (1d4) bludgeoning damage."));
         // END remove block
 
         monsterViewModel = new ViewModelProvider(this).get(MonsterViewModel.class);
@@ -127,256 +138,166 @@ public class MonsterFragment extends Fragment {
         monsterViewModel.setMonster(monster);
 
         final TextView monsterName = root.findViewById(R.id.name);
-        monsterViewModel.getName().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(@Nullable String name) {
-                monsterName.setText(name);
-            }
-        });
+        monsterViewModel.getName().observe(getViewLifecycleOwner(), name -> monsterName.setText(name));
 
         final TextView monsterMeta = root.findViewById(R.id.meta);
-        monsterViewModel.getMeta().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(@Nullable String metaText) {
-                monsterMeta.setText(metaText);
-            }
-        });
+        monsterViewModel.getMeta().observe(getViewLifecycleOwner(), metaText -> monsterMeta.setText(metaText));
 
         final TextView monsterArmorClass = root.findViewById(R.id.armor_class);
-        monsterViewModel.getArmorClass().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(@Nullable String armorText) {
-                monsterArmorClass.setText(Html.fromHtml("<b>Armor Class</b> " + armorText));
-            }
-        });
+        monsterViewModel.getArmorClass().observe(getViewLifecycleOwner(), armorText -> monsterArmorClass.setText(Html.fromHtml("<b>Armor Class</b> " + armorText)));
 
         final TextView monsterHitPoints = root.findViewById(R.id.hit_points);
-        monsterViewModel.getHitPoints().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String hitPoints) {
-                monsterHitPoints.setText(Html.fromHtml("<b>Hit Points</b> " + hitPoints));
-            }
-        });
+        monsterViewModel.getHitPoints().observe(getViewLifecycleOwner(), hitPoints -> monsterHitPoints.setText(Html.fromHtml("<b>Hit Points</b> " + hitPoints)));
 
         final TextView monsterSpeed = root.findViewById(R.id.speed);
-        monsterViewModel.getSpeed().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String speed) {
-                monsterSpeed.setText(Html.fromHtml("<b>Speed</b> " + speed));
-            }
-        });
+        monsterViewModel.getSpeed().observe(getViewLifecycleOwner(), speed -> monsterSpeed.setText(Html.fromHtml("<b>Speed</b> " + speed)));
 
         final TextView monsterStrength = root.findViewById(R.id.strength);
-        monsterViewModel.getStrength().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String strength) {
-                monsterStrength.setText(strength);
-            }
-        });
+        monsterViewModel.getStrength().observe(getViewLifecycleOwner(), strength -> monsterStrength.setText(strength));
 
         final TextView monsterDexterity = root.findViewById(R.id.dexterity);
-        monsterViewModel.getDexterity().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String dexterity) {
-                monsterDexterity.setText(dexterity);
-            }
-        });
+        monsterViewModel.getDexterity().observe(getViewLifecycleOwner(), dexterity -> monsterDexterity.setText(dexterity));
 
         final TextView monsterConstitution = root.findViewById(R.id.constitution);
-        monsterViewModel.getConstitution().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String constitution) {
-                monsterConstitution.setText(constitution);
-            }
-        });
+        monsterViewModel.getConstitution().observe(getViewLifecycleOwner(), constitution -> monsterConstitution.setText(constitution));
 
         final TextView monsterIntelligence = root.findViewById(R.id.intelligence);
-        monsterViewModel.getIntelligence().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String intelligence) {
-                monsterIntelligence.setText(intelligence);
-            }
-        });
+        monsterViewModel.getIntelligence().observe(getViewLifecycleOwner(), intelligence -> monsterIntelligence.setText(intelligence));
 
         final TextView monsterWisdom = root.findViewById(R.id.wisdom);
-        monsterViewModel.getWisdom().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String wisdom) {
-                monsterWisdom.setText(wisdom);
-            }
-        });
+        monsterViewModel.getWisdom().observe(getViewLifecycleOwner(), wisdom -> monsterWisdom.setText(wisdom));
 
         final TextView monsterCharisma = root.findViewById(R.id.charisma);
-        monsterViewModel.getCharisma().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String charisma) {
-                monsterCharisma.setText(charisma);
-            }
-        });
+        monsterViewModel.getCharisma().observe(getViewLifecycleOwner(), charisma -> monsterCharisma.setText(charisma));
 
         final TextView monsterSavingThrows = root.findViewById(R.id.saving_throws);
-        monsterViewModel.getSavingThrows().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String savingThrows) {
-                if (StringHelper.isNullOrEmpty(savingThrows)) {
-                    monsterSavingThrows.setVisibility(View.GONE);
-                } else {
-                    monsterSavingThrows.setVisibility(View.VISIBLE);
-                }
-                monsterSavingThrows.setText(Html.fromHtml("<b>Saving Throws</b> " + savingThrows));
+        monsterViewModel.getSavingThrows().observe(getViewLifecycleOwner(), savingThrows -> {
+            if (StringHelper.isNullOrEmpty(savingThrows)) {
+                monsterSavingThrows.setVisibility(View.GONE);
+            } else {
+                monsterSavingThrows.setVisibility(View.VISIBLE);
             }
+            monsterSavingThrows.setText(Html.fromHtml("<b>Saving Throws</b> " + savingThrows));
         });
 
         final TextView monsterSkills = root.findViewById(R.id.skills);
-        monsterViewModel.getSkills().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String skills) {
-                if (StringHelper.isNullOrEmpty(skills)) {
-                    monsterSkills.setVisibility(View.GONE);
-                } else {
-                    monsterSkills.setVisibility(View.VISIBLE);
-                }
-                monsterSkills.setText(Html.fromHtml("<b>Skills</b> " + skills));
+        monsterViewModel.getSkills().observe(getViewLifecycleOwner(), skills -> {
+            if (StringHelper.isNullOrEmpty(skills)) {
+                monsterSkills.setVisibility(View.GONE);
+            } else {
+                monsterSkills.setVisibility(View.VISIBLE);
             }
+            monsterSkills.setText(Html.fromHtml("<b>Skills</b> " + skills));
         });
 
         final TextView monsterDamageVulnerabilities = root.findViewById(R.id.damage_vulnerabilities);
-        monsterViewModel.getDamageVulnerabilities().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String damageType) {
-                if (StringHelper.isNullOrEmpty(damageType)) {
-                    monsterDamageVulnerabilities.setVisibility(View.GONE);
-                } else {
-                    monsterDamageVulnerabilities.setVisibility(View.VISIBLE);
-                }
-                monsterDamageVulnerabilities.setText(Html.fromHtml("<b>Damage Vulnerabilities</b> " + damageType));
+        monsterViewModel.getDamageVulnerabilities().observe(getViewLifecycleOwner(), damageType -> {
+            if (StringHelper.isNullOrEmpty(damageType)) {
+                monsterDamageVulnerabilities.setVisibility(View.GONE);
+            } else {
+                monsterDamageVulnerabilities.setVisibility(View.VISIBLE);
             }
+            monsterDamageVulnerabilities.setText(Html.fromHtml("<b>Damage Vulnerabilities</b> " + damageType));
         });
 
         final TextView monsterDamageResistances = root.findViewById(R.id.damage_resistances);
-        monsterViewModel.getDamageResistances().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String damageType) {
-                if (StringHelper.isNullOrEmpty(damageType)) {
-                    monsterDamageResistances.setVisibility(View.GONE);
-                } else {
-                    monsterDamageResistances.setVisibility(View.VISIBLE);
-                }
-                monsterDamageResistances.setText(Html.fromHtml("<b>Damage Resistances</b> " + damageType));
+        monsterViewModel.getDamageResistances().observe(getViewLifecycleOwner(), damageType -> {
+            if (StringHelper.isNullOrEmpty(damageType)) {
+                monsterDamageResistances.setVisibility(View.GONE);
+            } else {
+                monsterDamageResistances.setVisibility(View.VISIBLE);
             }
+            monsterDamageResistances.setText(Html.fromHtml("<b>Damage Resistances</b> " + damageType));
         });
 
         final TextView monsterDamageImmunities = root.findViewById(R.id.damage_immunities);
-        monsterViewModel.getDamageImmunities().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String damageType) {
-                if (StringHelper.isNullOrEmpty(damageType)) {
-                    monsterDamageImmunities.setVisibility(View.GONE);
-                } else {
-                    monsterDamageImmunities.setVisibility(View.VISIBLE);
-                }
-                monsterDamageImmunities.setText(Html.fromHtml("<b>Damage Immunities</b> " + damageType));
+        monsterViewModel.getDamageImmunities().observe(getViewLifecycleOwner(), damageType -> {
+            if (StringHelper.isNullOrEmpty(damageType)) {
+                monsterDamageImmunities.setVisibility(View.GONE);
+            } else {
+                monsterDamageImmunities.setVisibility(View.VISIBLE);
             }
+            monsterDamageImmunities.setText(Html.fromHtml("<b>Damage Immunities</b> " + damageType));
         });
 
         final TextView monsterConditionImmunities = root.findViewById(R.id.condition_immunities);
-        monsterViewModel.getConditionImmunities().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String conditionImmunities) {
-                if (StringHelper.isNullOrEmpty(conditionImmunities)) {
-                    monsterConditionImmunities.setVisibility(View.GONE);
-                } else {
-                    monsterConditionImmunities.setVisibility(View.VISIBLE);
-                }
-                monsterConditionImmunities.setText(Html.fromHtml("<b>Condition Immunities</b> " + conditionImmunities));
+        monsterViewModel.getConditionImmunities().observe(getViewLifecycleOwner(), conditionImmunities -> {
+            if (StringHelper.isNullOrEmpty(conditionImmunities)) {
+                monsterConditionImmunities.setVisibility(View.GONE);
+            } else {
+                monsterConditionImmunities.setVisibility(View.VISIBLE);
             }
+            monsterConditionImmunities.setText(Html.fromHtml("<b>Condition Immunities</b> " + conditionImmunities));
         });
 
         final TextView monsterSenses = root.findViewById(R.id.senses);
-        monsterViewModel.getSenses().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String senses) {
-                if (StringHelper.isNullOrEmpty(senses)) {
-                    monsterSenses.setVisibility(View.GONE);
-                } else {
-                    monsterSenses.setVisibility(View.VISIBLE);
-                }
-                monsterSenses.setText(Html.fromHtml("<b>Senses</b> " + senses));
+        monsterViewModel.getSenses().observe(getViewLifecycleOwner(), senses -> {
+            if (StringHelper.isNullOrEmpty(senses)) {
+                monsterSenses.setVisibility(View.GONE);
+            } else {
+                monsterSenses.setVisibility(View.VISIBLE);
             }
+            monsterSenses.setText(Html.fromHtml("<b>Senses</b> " + senses));
         });
 
         final TextView monsterLanguages = root.findViewById(R.id.languages);
-        monsterViewModel.getLanguages().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String languages) {
-                if (StringHelper.isNullOrEmpty(languages)) {
-                    monsterLanguages.setVisibility(View.GONE);
-                } else {
-                    monsterLanguages.setVisibility(View.VISIBLE);
-                }
-                monsterLanguages.setText(Html.fromHtml("<b>Languages</b> " + languages));
+        monsterViewModel.getLanguages().observe(getViewLifecycleOwner(), languages -> {
+            if (StringHelper.isNullOrEmpty(languages)) {
+                monsterLanguages.setVisibility(View.GONE);
+            } else {
+                monsterLanguages.setVisibility(View.VISIBLE);
             }
+            monsterLanguages.setText(Html.fromHtml("<b>Languages</b> " + languages));
         });
 
         final TextView monsterChallenge = root.findViewById(R.id.challenge);
-        monsterViewModel.getChallenge().observe(getViewLifecycleOwner(), new Observer<String>() {
-            @Override
-            public void onChanged(String challengeRating) {
-                monsterChallenge.setText(Html.fromHtml("<b>Challenge</b> " + challengeRating));
-            }
-        });
+        monsterViewModel.getChallenge().observe(getViewLifecycleOwner(), challengeRating -> monsterChallenge.setText(Html.fromHtml("<b>Challenge</b> " + challengeRating)));
 
         final LinearLayout monsterAbilities = root.findViewById(R.id.abilities);
-        monsterViewModel.getAbilities().observe(getViewLifecycleOwner(), new Observer<List<String>>() {
-            @Override
-            public void onChanged(List<String> abilities) {
-                Context context = getContext();
-                DisplayMetrics displayMetrics = null;
-                if (context != null) {
-                    Resources resources = context.getResources();
-                    if (resources != null) {
-                        displayMetrics = resources.getDisplayMetrics();
-                    }
+        monsterViewModel.getAbilities().observe(getViewLifecycleOwner(), abilities -> {
+            Context context = getContext();
+            DisplayMetrics displayMetrics = null;
+            if (context != null) {
+                Resources resources = context.getResources();
+                if (resources != null) {
+                    displayMetrics = resources.getDisplayMetrics();
                 }
-                monsterAbilities.removeAllViews();
-                if (abilities != null) {
-                    for (String ability : abilities) {
-                        TextView tvAbility = new TextView(context);
-                        // TODO: Handle multiline block quotes specially so they stay multiline.
-                        // TODO: Replace QuoteSpans in the result of fromHtml with something like this https://stackoverflow.com/questions/7717567/how-to-style-blockquotes-in-android-textviews to make them indent as expected
-                        Spanned spannedText = Html.fromHtml(CommonMarkHelper.toHtml(ability));
-                        tvAbility.setText(spannedText);
-                        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
-                        layoutParams.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, displayMetrics);
-                        tvAbility.setLayoutParams(layoutParams);
-                        monsterAbilities.addView(tvAbility);
-                    }
+            }
+            monsterAbilities.removeAllViews();
+            if (abilities != null) {
+                for (String ability : abilities) {
+                    TextView tvAbility = new TextView(context);
+                    // TODO: Handle multiline block quotes specially so they stay multiline.
+                    // TODO: Replace QuoteSpans in the result of fromHtml with something like this https://stackoverflow.com/questions/7717567/how-to-style-blockquotes-in-android-textviews to make them indent as expected
+                    Spanned spannedText = Html.fromHtml(CommonMarkHelper.toHtml(ability));
+                    tvAbility.setText(spannedText);
+                    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+                    layoutParams.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, displayMetrics);
+                    tvAbility.setLayoutParams(layoutParams);
+                    monsterAbilities.addView(tvAbility);
                 }
             }
         });
 
         final LinearLayout monsterActions = root.findViewById(R.id.actions);
-        monsterViewModel.getActions().observe(getViewLifecycleOwner(), new Observer<List<String>>() {
-            @Override
-            public void onChanged(List<String> actions) {
-                Context context = getContext();
-                DisplayMetrics displayMetrics = null;
-                if (context != null) {
-                    Resources resources = context.getResources();
-                    if (resources != null) {
-                        displayMetrics = resources.getDisplayMetrics();
-                    }
+        monsterViewModel.getActions().observe(getViewLifecycleOwner(), actions -> {
+            Context context = getContext();
+            DisplayMetrics displayMetrics = null;
+            if (context != null) {
+                Resources resources = context.getResources();
+                if (resources != null) {
+                    displayMetrics = resources.getDisplayMetrics();
                 }
-                monsterActions.removeAllViews();
-                if (actions != null) {
-                    for (String action : actions) {
-                        TextView tvAction = new TextView(getContext());
-                        tvAction.setText(Html.fromHtml(CommonMarkHelper.toHtml(action)));
-                        LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
-                        layoutParams.topMargin = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, displayMetrics);
-                        tvAction.setLayoutParams(layoutParams);
-                        monsterActions.addView(tvAction);
-                    }
+            }
+            monsterActions.removeAllViews();
+            if (actions != null) {
+                for (String action : actions) {
+                    TextView tvAction = new TextView(getContext());
+                    tvAction.setText(Html.fromHtml(CommonMarkHelper.toHtml(action)));
+                    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+                    layoutParams.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 8, displayMetrics);
+                    tvAction.setLayoutParams(layoutParams);
+                    monsterActions.addView(tvAction);
                 }
             }
         });