diff --git a/src/c/spell.c b/src/c/spell.c
index b8ce864..4fca537 100644
--- a/src/c/spell.c
+++ b/src/c/spell.c
@@ -3,14 +3,24 @@
 #include <string.h>
 
 #include "character.h"
+#include "spell.h"
 
-int spellFireball(Character *character) {
-    int damage = 10 + (getCharacterIntelligence(character) / 2);
-    return damage;
+SpellEffect spellFireball(Character *character) {
+    SpellEffect fireball;
+    fireball.damage = 10 + (getCharacterIntelligence(character) / 2);
+    fireball.healing = 0;
+    fireball.manaCost = 10;
+    fireball.effect = SPELL_EFFECT_NONE;
+    fireball.effectDuration = 0;
+    return fireball;
 }
 
-
-int spellHeal(Character *character) {
-    int heal = 10 + (getCharacterIntelligence(character) / 3);
+SpellEffect spellHeal(Character *character) {
+    SpellEffect heal;
+    heal.damage = 0;
+    heal.healing = 10 + (getCharacterIntelligence(character) / 3);
+    heal.manaCost = 10;
+    heal.effect = SPELL_EFFECT_NONE;
+    heal.effectDuration = 0;
     return heal;
-}
\ No newline at end of file
+}
diff --git a/src/c/spell.h b/src/c/spell.h
index fec8dd8..6b94b8e 100644
--- a/src/c/spell.h
+++ b/src/c/spell.h
@@ -3,7 +3,16 @@
 
 #include "character.h"
 
-int spellFireball(Character *character);
-int spellHeal(Character *character);
+typedef struct {
+    int damage, healing, manaCost, effect, effectDuration;
+} SpellEffect;
+
+enum {
+    SPELL_EFFECT_NONE = 0, SPELL_EFFECT_BURN = 1, SPELL_EFFECT_FREEZE = 2, SPELL_EFFECT_STUN =3 , SPELL_EFFECT_REGENERATION = 4
+};
+
+
+SpellEffect spellFireball(Character *character);
+SpellEffect spellHeal(Character *character);
 
 #endif
\ No newline at end of file
diff --git a/test/c/test_spell.c b/test/c/test_spell.c
index 86e55ee..dce3114 100644
--- a/test/c/test_spell.c
+++ b/test/c/test_spell.c
@@ -32,13 +32,20 @@ void tearDown(void)
 
 void test_spellFireball(void)
 {
-    TEST_ASSERT_EQUAL_INT(10,spellFireball(&testCharacter));
-    TEST_ASSERT_EQUAL_INT(13,spellFireball(&testCharacter2));
+    int result = spellFireball(&testCharacter).damage;
+    TEST_ASSERT_EQUAL_INT(10,result);
+    result = spellFireball(&testCharacter2).damage;
+    TEST_ASSERT_EQUAL_INT(13,result);
 }
 
 void test_spellHeal(void)
 {
-    TEST_ASSERT_EQUAL_INT(10,spellHeal(&testCharacter));
-    TEST_ASSERT_EQUAL_INT(12,spellHeal(&testCharacter2));
+
+    int result = spellHeal(&testCharacter).healing;
+    TEST_ASSERT_EQUAL_INT(10,result);
+    result = spellHeal(&testCharacter2).healing;
+    TEST_ASSERT_EQUAL_INT(12,result);
 }
+
+
 #endif // TEST
\ No newline at end of file