diff --git a/game.py b/game.py
index a333c94..4ec9352 100644
--- a/game.py
+++ b/game.py
@@ -22,15 +22,15 @@ class Unit(ABC):
     def calculate_defense(self) -> float:
         pass
 
-# class Spell(ABC):
-#     def __init__(self, name: str, damage: float, mana_cost: float):
-#         self.name: str = name
-#         self.damage: float = damage
-#         self.mana_cost: float = mana_cost
+class Spell(ABC):
+    def __init__(self, name: str, damage: float, mana_cost: float):
+        self.name: str = name
+        self.damage: float = damage
+        self.mana_cost: float = mana_cost
 
-#     @abstractmethod
-#     def cast(self):
-#         pass
+    @abstractmethod
+    def cast(self):
+        pass
 
 
 class Monster(Unit):
@@ -61,7 +61,7 @@ class Character(Unit):
         self.max_health: float = self.calculate_max_health()
         self.defense: float = self.calculate_max_health()
         self.damage: float = self.calculate_damage()
-        # self.max_mana: float = self.calculate_max_mana()
+        self.max_mana: float = self.calculate_max_mana()
 
     @override
     def calculate_max_health(self):
@@ -89,12 +89,12 @@ class Character(Unit):
         else:
             return 0
 
-    # def calculate_max_mana(self):
-    #     if self.character_class == "warrior":
-    #         return self.intelligence + self.strength // 2
-    #     elif self.character_class == "mage":
-    #         return self.wisdom * 3 + self.intelligence
-    #     elif self.character_class == "hunter":
-    #         return self.dexterity * 1.5 + self.wisdom // 2
-    #     else:
-    #         return 0
+    def calculate_max_mana(self):
+        if self.character_class == "warrior":
+            return self.intelligence + self.strength // 2
+        elif self.character_class == "mage":
+            return self.wisdom * 3 + self.intelligence
+        elif self.character_class == "hunter":
+            return self.dexterity * 1.5 + self.wisdom // 2
+        else:
+            return 0