diff --git a/MonsterCards/Models/Monster.m b/MonsterCards/Models/Monster.m
index 3d2159f..b32b45b 100644
--- a/MonsterCards/Models/Monster.m
+++ b/MonsterCards/Models/Monster.m
@@ -89,6 +89,10 @@
     if (tempNumber != nil && [tempNumber isKindOfClass:[NSNumber class]]) {
         self.constitutionScore = tempNumber.intValue;
     }
+    tempNumber = [jsonRoot objectForKey:@"intPoints"];
+    if (tempNumber != nil && [tempNumber isKindOfClass:[NSNumber class]]) {
+        self.intelligenceScore = tempNumber.intValue;
+    }
     return self;
 }
 
@@ -144,7 +148,7 @@
 }
 
 -(int)intelligenceModifier {
-    @throw [[NSException alloc] initWithName:@"unimplemented" reason:@"Method not implemented." userInfo:nil];
+    return [Monster abilityModifierForScore:self.intelligenceScore];
 }
 
 -(int)wisdomModifier {
@@ -355,6 +359,7 @@
     self.strengthScore = monster.strengthScore;
     self.dexterityScore = monster.dexterityScore;
     self.constitutionScore = monster.constitutionScore;
+    self.intelligenceScore = monster.intelligenceScore;
 }
 
 @end
diff --git a/MonsterCardsTests/Models/MonsterTests.m b/MonsterCardsTests/Models/MonsterTests.m
index c6a76af..d97eb2e 100644
--- a/MonsterCardsTests/Models/MonsterTests.m
+++ b/MonsterCardsTests/Models/MonsterTests.m
@@ -25,7 +25,7 @@
 - (void)setUp {
     _context = nil;
     _monster = [[Monster alloc] initWithContext:_context];
-    _jsonString = @"{\"name\":\"Acolyte\",\"size\":\"medium\",\"type\":\"humanoid\",\"tag\":\"any race\",\"alignment\":\"any alignment\",\"strPoints\":8,\"dexPoints\":10,\"conPoints\":12}";
+    _jsonString = @"{\"name\":\"Acolyte\",\"size\":\"medium\",\"type\":\"humanoid\",\"tag\":\"any race\",\"alignment\":\"any alignment\",\"strPoints\":8,\"dexPoints\":10,\"conPoints\":12,\"intPoints\":14}";
     _jsonData = [_jsonString dataUsingEncoding:NSUTF8StringEncoding];
 }
 
@@ -43,6 +43,7 @@
     XCTAssertEqual(0, _monster.strengthScore);
     XCTAssertEqual(0, _monster.dexterityScore);
     XCTAssertEqual(0, _monster.constitutionScore);
+    XCTAssertEqual(0, _monster.intelligenceScore);
 }
 
 - (void)testInitWithJSONString {
@@ -57,6 +58,7 @@
     XCTAssertEqual(8, _monster.strengthScore);
     XCTAssertEqual(10, _monster.dexterityScore);
     XCTAssertEqual(12, _monster.constitutionScore);
+    XCTAssertEqual(14, _monster.intelligenceScore);
 }
 
 - (void)testInitWithEmptyJSONString {
@@ -71,6 +73,7 @@
     XCTAssertEqual(0, _monster.strengthScore);
     XCTAssertEqual(0, _monster.dexterityScore);
     XCTAssertEqual(0, _monster.constitutionScore);
+    XCTAssertEqual(0, _monster.intelligenceScore);
 }
 - (void)testInitWithJSONData {
     _monster = [[Monster alloc] initWithJSONData:_jsonData andContext:_context];
@@ -84,6 +87,7 @@
     XCTAssertEqual(8, _monster.strengthScore);
     XCTAssertEqual(10, _monster.dexterityScore);
     XCTAssertEqual(12, _monster.constitutionScore);
+    XCTAssertEqual(14, _monster.intelligenceScore);
 }
 
 - (void)testNameGetterAndSetter {
@@ -128,6 +132,7 @@
     XCTAssertEqual(8, _monster.strengthScore);
     XCTAssertEqual(10, _monster.dexterityScore);
     XCTAssertEqual(12, _monster.constitutionScore);
+    XCTAssertEqual(14, _monster.intelligenceScore);
 }
 
 - (void)testMetaWithNoFieldsSet {
@@ -294,4 +299,20 @@
     XCTAssertEqual(1, _monster.constitutionModifier);
 }
 
+- (void)testIntelligenceScoreGetterAndSetter {
+    _monster.intelligenceScore = 11;
+    XCTAssertEqual(11, _monster.intelligenceScore);
+}
+
+- (void)testIntelligenceModifier {
+    _monster.intelligenceScore = 9;
+    XCTAssertEqual(-1, _monster.intelligenceModifier);
+    
+    _monster.intelligenceScore = 10;
+    XCTAssertEqual(0, _monster.intelligenceModifier);
+    
+    _monster.intelligenceScore = 12;
+    XCTAssertEqual(1, _monster.intelligenceModifier);
+}
+
 @end