diff --git a/Java-Knight/src/main/java/org/project/entity/enemies/Enemy.java b/Java-Knight/src/main/java/org/project/entity/enemies/Enemy.java
index a358719..7976ea1 100644
--- a/Java-Knight/src/main/java/org/project/entity/enemies/Enemy.java
+++ b/Java-Knight/src/main/java/org/project/entity/enemies/Enemy.java
@@ -1,6 +1,7 @@
 package org.project.entity.enemies;
 
 import org.project.entity.Entity;
+import org.project.item.weapons.Sword;
 import org.project.item.weapons.Weapon;
 
 public abstract class Enemy implements Entity {
@@ -9,11 +10,15 @@ public abstract class Enemy implements Entity {
     private int mp;
     private boolean isStunned = false;
     private int stunTurns = 0;
+    private String name;
+    private final int defendCost = 6;
+    private boolean isDefending = false;
+    private final int healCost = 12;
 
-    public Enemy(int hp, int mp, Weapon weapon) {
+    public Enemy(String name, int hp, int mp, Weapon weapon) {
+        this.name = name;
         this.hp = hp;
         this.mp = mp;
-
         this.weapon = weapon;
     }
 
@@ -39,6 +44,28 @@ public abstract class Enemy implements Entity {
         }
     }
 
+    @Override
+    public void fillMana(int mana) {
+        int oldMana = mp;
+        mp += mana;
+
+        mp += mana;
+        if (mp > getMaxMP()) {
+            mp = getMaxMP();
+        }
+    }
+
+    @Override
+    public void defend() {
+        //checking mana
+
+        //reducing mana
+        mp -= defendCost;
+
+        //activating defense mode
+        isDefending = true;
+    }
+
     public boolean isStunned() {
         return isStunned;
     }
@@ -54,4 +81,17 @@ public abstract class Enemy implements Entity {
     public Weapon getWeapon() {
         return weapon;
     }
+
+    public String getName(Entity target) {
+        if (target instanceof Skeleton) {
+            return "Skeleton";
+        }
+        else if (target instanceof Goblin) {
+            return "Goblin";
+        }
+        else if (target instanceof Vampire) {
+            return "Vampire";
+        }
+        return "Dragon";
+    }
 }
diff --git a/Java-Knight/src/main/java/org/project/entity/enemies/Goblin.java b/Java-Knight/src/main/java/org/project/entity/enemies/Goblin.java
new file mode 100644
index 0000000..a11e517
--- /dev/null
+++ b/Java-Knight/src/main/java/org/project/entity/enemies/Goblin.java
@@ -0,0 +1,4 @@
+package org.project.entity.enemies;
+
+public class Goblin {
+}
diff --git a/Java-Knight/src/main/java/org/project/entity/enemies/Skeleton.java b/Java-Knight/src/main/java/org/project/entity/enemies/Skeleton.java
index 8a6a555..b01438f 100644
--- a/Java-Knight/src/main/java/org/project/entity/enemies/Skeleton.java
+++ b/Java-Knight/src/main/java/org/project/entity/enemies/Skeleton.java
@@ -1,6 +1,11 @@
 package org.project.entity.enemies;
 
+import org.project.item.weapons.BoneDagger;
+
 // TODO: UPDATE IMPLEMENTATION
-public class Skeleton {
+public class Skeleton extends Enemy {
     // TODO: DESIGN ENEMY AND IMPLEMENT THE CONSTRUCTOR
+    public Skeleton() {
+        super("Skeleton", 40, 25, new BoneDagger());
+    }
 }
diff --git a/Java-Knight/src/main/java/org/project/entity/enemies/Vampire.java b/Java-Knight/src/main/java/org/project/entity/enemies/Vampire.java
new file mode 100644
index 0000000..966c4b5
--- /dev/null
+++ b/Java-Knight/src/main/java/org/project/entity/enemies/Vampire.java
@@ -0,0 +1,4 @@
+package org.project.entity.enemies;
+
+public class Vampire {
+}
diff --git a/Java-Knight/src/main/java/org/project/entity/players/Assassin.java b/Java-Knight/src/main/java/org/project/entity/players/Assassin.java
index 9cf24fd..472bce5 100644
--- a/Java-Knight/src/main/java/org/project/entity/players/Assassin.java
+++ b/Java-Knight/src/main/java/org/project/entity/players/Assassin.java
@@ -4,8 +4,86 @@ import org.project.entity.Entity;
 import org.project.item.armors.Armor;
 import org.project.item.weapons.Weapon;
 
-public class Assassin extends Player implements Entity  {
+public class Assassin extends Player implements Entity, ICombatActions  {
     public Assassin(String name, Weapon weapon, Armor armor) {
         super(name, 45, 60, weapon, armor);
     }
-}
+
+    @Override
+    public void specialAbility(Entity target) {
+        //Checking if the mana is enough of not
+        if (getMp() < 15) {
+            System.out.println("❌ Not enough mana for Devastating Spell!");
+            return;
+        }
+
+        //Consuming mana
+        setMp(getMp()-15);
+
+        setInvisible(true);
+        setNextAttackCritical(true);
+
+        System.out.println("💜 " + getName() + " turns INVISIBLE!");
+        System.out.println("⚡ Next attack will be CRITICAL (2x damage)!");
+        System.out.println("🛡️ Will dodge the next incoming attack completely!");
+        System.out.println("💙 Mana left: " + getMp());
+    }
+
+    public void lightAttack(Entity target) {
+        int damage = 10;
+
+        //Critical Action (if enabled)
+        if (isNextAttackCritical()) {
+            damage *= 2;
+            System.out.println("⚡ CRITICAL HIT! Damage doubled to " + damage + "!");
+            setNextAttackCritical(false);
+        }
+
+        target.takeDamage(damage);
+        System.out.println("⚔️ " + getName() + " used Light Attack! Dealt " + damage + " damage.");
+    }
+
+    @Override
+    public void heavyAttack(Entity target) {
+        if (getMp() < 8) {
+            System.out.println("❌ Not enough mana for Heavy Attack!");
+            return;
+        }
+        setMp(getMp() - 8);
+        int damage = 20;
+
+        //Critical Action (if enabled)
+        if (isNextAttackCritical()) {
+            damage *= 2;
+            System.out.println("⚡ CRITICAL HIT! Damage doubled to " + damage + "!");
+            setNextAttackCritical(false);
+        }
+
+        target.takeDamage(damage);
+        System.out.println("💥 " + getName() + " used Heavy Attack! Dealt " + damage + " damage.");
+    }
+
+    @Override
+    public void defend() {
+        if (getMp() < 6) {
+            System.out.println("❌ Not enough mana to defend!");
+            return;
+        }
+        setMp(getMp() - 6);
+        setDefending(true);
+        System.out.println("🛡️ " + getName() + " is defending! Next attack will be halved.");
+    }
+
+    @Override
+    public void heal() {
+        if (getMp() < 12) {
+            System.out.println("❌ Not enough mana to heal!");
+            return;
+        }
+        setMp(getMp() - 12);
+        int healAmount = 20;
+        setHp(getHp() + healAmount);
+        if (getHp() > getMaxHP()) setHp(getMaxHP());
+        System.out.println("💚 " + getName() + " healed " + healAmount + " HP!");
+    }
+}
\ No newline at end of file
diff --git a/Java-Knight/src/main/java/org/project/entity/players/ICombatActions.java b/Java-Knight/src/main/java/org/project/entity/players/ICombatActions.java
index 33df297..ca94831 100644
--- a/Java-Knight/src/main/java/org/project/entity/players/ICombatActions.java
+++ b/Java-Knight/src/main/java/org/project/entity/players/ICombatActions.java
@@ -15,4 +15,4 @@ public interface ICombatActions {
     void heal();
 
     void specialAbility(Entity target);
-}
+}
\ No newline at end of file
diff --git a/Java-Knight/src/main/java/org/project/entity/players/Knight.java b/Java-Knight/src/main/java/org/project/entity/players/Knight.java
index e118559..98f470f 100644
--- a/Java-Knight/src/main/java/org/project/entity/players/Knight.java
+++ b/Java-Knight/src/main/java/org/project/entity/players/Knight.java
@@ -19,7 +19,7 @@ public class Knight extends Player implements ICombatActions {
     public void specialAbility(Entity target) {
         //Checking if the mana is enough of not
         if (getMp() < 15) {
-            System.out.println("Mana is not enough for Shield Bash!");
+            System.out.println("❌ Mana is not enough for Shield Bash!");
             return;
         }
 
diff --git a/Java-Knight/src/main/java/org/project/entity/players/Player.java b/Java-Knight/src/main/java/org/project/entity/players/Player.java
index 1c969d5..05340fe 100644
--- a/Java-Knight/src/main/java/org/project/entity/players/Player.java
+++ b/Java-Knight/src/main/java/org/project/entity/players/Player.java
@@ -18,6 +18,8 @@ public abstract class Player implements Entity {
     private final int defendCost = 6;
     private boolean isDefending = false;
     private final int healCost = 12;
+    private boolean isInvisible = false;
+    private boolean nextAttackCritical = false;
 
     public Player(String name, int hp, int mp, Weapon weapon, Armor armor) {
         this.name = name;
@@ -144,6 +146,14 @@ public abstract class Player implements Entity {
         return isDefending;
     }
 
+    public boolean isInvisible() { return isInvisible; }
+
+    public boolean isNextAttackCritical() { return nextAttackCritical; }
+
+    public void setInvisible(boolean invisible) { this.isInvisible = invisible; }
+
+    public void setNextAttackCritical(boolean critical) { this.nextAttackCritical = critical; }
+
     public void setHp(int hp) {
         this.hp = hp;
     }
diff --git a/Java-Knight/src/main/java/org/project/entity/players/Wizard.java b/Java-Knight/src/main/java/org/project/entity/players/Wizard.java
index 62c2a9c..e97c60a 100644
--- a/Java-Knight/src/main/java/org/project/entity/players/Wizard.java
+++ b/Java-Knight/src/main/java/org/project/entity/players/Wizard.java
@@ -2,10 +2,79 @@ package org.project.entity.players;
 
 import org.project.entity.Entity;
 import org.project.item.armors.Armor;
+import org.project.item.weapons.Sword;
+import org.project.item.weapons.Wand;
 import org.project.item.weapons.Weapon;
 
-public class Wizard extends Player implements Entity  {
+public class Wizard extends Player implements Entity,ICombatActions  {
     public Wizard (String name, Weapon weapon, Armor armor) {
-        super(name, 60, 45, weapon, armor);
+        super(name, 60, 45, new Wand(), armor);
+    }
+
+    @Override
+    public void specialAbility(Entity target) {
+        //Checking if the mana is enough of not
+        if (getMp() < 15) {
+            System.out.println("❌ Not enough mana for Devastating Spell!");
+            return;
+        }
+
+        //Consuming mana
+        setMp(getMp()-15);
+
+        target.takeDamage(30);
+        System.out.println("🔮 " + target.getName() + " took " +
+                30 + " damage from Devastating Spell!");
+
+        int newHp = getHp() + 10;
+        if (newHp > getMaxHP()) newHp = getMaxHP();
+        setHp(newHp);
+
+        System.out.println("💚 " + getName() + " healed " + 10 + " HP! (Now: " +
+                getHp() + "/" + getMaxHP() + ")");
+        System.out.println("🔮 " + getName() + " casts DEVASTATING SPELL!");
+        System.out.println("💙 Mana left: " + getMp());
+    }
+
+    public void lightAttack(Entity target) {
+        int damage = 10;
+        target.takeDamage(damage);
+        System.out.println("⚔️ " + getName() + " used Light Attack! Dealt " + damage + " damage.");
+    }
+
+    @Override
+    public void heavyAttack(Entity target) {
+        if (getMp() < 8) {
+            System.out.println("❌ Not enough mana for Heavy Attack!");
+            return;
+        }
+        setMp(getMp() - 8);
+        int damage = 20;
+        target.takeDamage(damage);
+        System.out.println("💥 " + getName() + " used Heavy Attack! Dealt " + damage + " damage.");
+    }
+
+    @Override
+    public void defend() {
+        if (getMp() < 6) {
+            System.out.println("❌ Not enough mana to defend!");
+            return;
+        }
+        setMp(getMp() - 6);
+        setDefending(true);
+        System.out.println("🛡️ " + getName() + " is defending! Next attack will be halved.");
+    }
+
+    @Override
+    public void heal() {
+        if (getMp() < 12) {
+            System.out.println("❌ Not enough mana to heal!");
+            return;
+        }
+        setMp(getMp() - 12);
+        int healAmount = 20;
+        setHp(getHp() + healAmount);
+        if (getHp() > getMaxHP()) setHp(getMaxHP());
+        System.out.println("💚 " + getName() + " healed " + healAmount + " HP!");
     }
 }
diff --git a/Java-Knight/src/main/java/org/project/item/weapons/BoneDagger.java b/Java-Knight/src/main/java/org/project/item/weapons/BoneDagger.java
index 90894f1..ea41415 100644
--- a/Java-Knight/src/main/java/org/project/item/weapons/BoneDagger.java
+++ b/Java-Knight/src/main/java/org/project/item/weapons/BoneDagger.java
@@ -6,7 +6,7 @@ import org.project.item.Item;
 public class BoneDagger extends Weapon implements Item {
     int abilityCharge;
 
-    public BoneDagger(int damage, int manaCost) {
-        super(damage, manaCost);
+    public BoneDagger() {
+        super(10, 5);
     }
 }
\ No newline at end of file
diff --git a/Java-Knight/src/main/java/org/project/item/weapons/Dagger.java b/Java-Knight/src/main/java/org/project/item/weapons/Dagger.java
index 599c53a..8596d78 100644
--- a/Java-Knight/src/main/java/org/project/item/weapons/Dagger.java
+++ b/Java-Knight/src/main/java/org/project/item/weapons/Dagger.java
@@ -6,7 +6,7 @@ import org.project.item.Item;
 public class Dagger extends Weapon implements Item {
     int abilityCharge;
 
-    public Dagger(int damage, int manaCost) {
-        super(damage, manaCost);
+    public Dagger() {
+        super(15, 10);
     }
 }
\ No newline at end of file
diff --git a/Java-Knight/src/main/java/org/project/item/weapons/Wand.java b/Java-Knight/src/main/java/org/project/item/weapons/Wand.java
index 9374203..317deec 100644
--- a/Java-Knight/src/main/java/org/project/item/weapons/Wand.java
+++ b/Java-Knight/src/main/java/org/project/item/weapons/Wand.java
@@ -6,7 +6,7 @@ import org.project.item.Item;
 public class Wand extends Weapon implements Item {
     int abilityCharge;
 
-    public Wand(int damage, int manaCost) {
-        super(damage, manaCost);
+    public Wand() {
+        super(12, 6);
     }
 }
\ No newline at end of file