diff --git a/Java-Knight/src/main/java/org/project/entity/Entity.java b/Java-Knight/src/main/java/org/project/entity/Entity.java
index 2a060f9..c3d9f09 100644
--- a/Java-Knight/src/main/java/org/project/entity/Entity.java
+++ b/Java-Knight/src/main/java/org/project/entity/Entity.java
@@ -1,7 +1,7 @@
 package org.project.entity;
 
 public interface Entity {
-    void attack(Entity target);
+    void attack(Entity target, double multiplier);
 
     void defend();
 
@@ -15,7 +15,7 @@ public interface Entity {
 
     int getMaxMP();
 
-    /*
-    TODO: ADD OTHER REQUIRED AND BONUS METHODS
-    */
+    boolean isDefending();
+
+    void setDefending(boolean defending);
 }
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 ff5385c..f374f13 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
@@ -4,8 +4,8 @@ import org.project.entity.Entity;
 import org.project.item.armors.Armor;
 import org.project.item.weapons.Weapon;
 
-// TODO: UPDATE IMPLEMENTATION
-public abstract class Player {
+
+public abstract class Player implements Entity, combatOptions {
     protected String name;
     Weapon weapon;
     Armor armor;
@@ -13,6 +13,8 @@ public abstract class Player {
     private int maxHP;
     private int mp;
     private int maxMP;
+    private boolean defending = false;
+    private double defendRate;
 
     public Player(String name, int hp, int mp, Weapon weapon, Armor armor) {
         this.name = name;
@@ -24,15 +26,37 @@ public abstract class Player {
     }
 
     @Override
-    public void attack(Entity target) {
-        target.takeDamage(weapon.getDamage());
+    public void attack(Entity target,double multiplier) {
+        double finalDamage = multiplier * weapon.getDamage();
+        if (target.isDefending()) {
+            target.takeDamage((int) ( finalDamage * defendRate));
+            target.setDefending(false);
+        }
+        else {
+            target.takeDamage((int) ( finalDamage ));
+        }
     }
 
+    @Override
+    public void lightAttack(Entity target){
+        attack(target,1);
+    };
+
+    @Override
+    public void heavyAttack(Entity target){
+        attack(target,2);
+        mp -= weapon.getManaCost();
+    };
+
     @Override
     public void defend() {
-       // TODO
+       setDefending(true);
+       mp -= 10;
     }
 
+    @Override
+    public void specialAbility(){};
+
 
     @Override
     public void takeDamage(int damage) {
@@ -45,6 +69,8 @@ public abstract class Player {
         if (hp > maxHP) {
             hp = maxHP;
         }
+
+        mp -= 20;
     }
 
     @Override
@@ -86,4 +112,10 @@ public abstract class Player {
         return armor;
     }
 
+    @Override
+    public boolean isDefending() { return defending; }
+
+    @Override
+    public void setDefending(boolean defending) { this.defending = defending; }
+
 }