diff --git a/src/c/character.c b/src/c/character.c
index 2409dab..c3010be 100644
--- a/src/c/character.c
+++ b/src/c/character.c
@@ -25,6 +25,10 @@ int getCharacterStrength (Character *character) {
     return character->strength;
 }
 
+void addCharacterStrength (Character *character, int addStrength) {
+    character->strength += addStrength;
+}
+
 void setCharacterDexterity (Character *character, int newDexterity) {
     character->dexterity = newDexterity;
 }
diff --git a/src/c/character.h b/src/c/character.h
index 0c18944..5caca85 100644
--- a/src/c/character.h
+++ b/src/c/character.h
@@ -16,6 +16,8 @@ void setCharacterStrength (Character *character, int newStrength);
 
 int getCharacterStrength (Character *character);
 
+void addCharacterStrength (Character *character, int addStrength);
+
 void setCharacterDexterity (Character *character, int newDexterity);
 
 int getCharacterDexterity (Character *character);
diff --git a/test/c/test_character.c b/test/c/test_character.c
index 71b43ec..d948c3c 100644
--- a/test/c/test_character.c
+++ b/test/c/test_character.c
@@ -47,6 +47,11 @@ void test_getCharacterStrength(void) {
     TEST_ASSERT_EQUAL_INT(5,testCharacter2.strength);
 }
 
+void test_addCharacterStrength (void) {
+    addCharacterStrength(&testCharacter2,15);
+    TEST_ASSERT_EQUAL_INT(20,testCharacter2.strength);
+}
+
 void test_setCharacterDexterity(void) {
     TEST_ASSERT_EQUAL_INT(0,testCharacter.dexterity);
     setCharacterDexterity(&testCharacter,50);