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diff --git a/Assets/Prefabs/CastleProjectile.prefab.meta b/Assets/Prefabs/CastleProjectile.prefab.meta
new file mode 100644
index 0000000..b46c6bd
--- /dev/null
+++ b/Assets/Prefabs/CastleProjectile.prefab.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 8c97d676f9e78de408a30be69193ca5e
+PrefabImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/Ally/Ally.cs b/Assets/Scripts/Ally/Ally.cs
index 0bca48a..0fcb14b 100644
--- a/Assets/Scripts/Ally/Ally.cs
+++ b/Assets/Scripts/Ally/Ally.cs
@@ -44,7 +44,7 @@ public class Ally : Entity
     public override void LevelStart()
     {
         base.LevelStart();
-        if(this is not Building) ResourceManager.Instance.CurrentPopulation += PopulationCost;
+        if (this is not Building) ResourceManager.Instance.CurrentPopulation += PopulationCost;
     }
     public override void LevelDestroy()
     {
diff --git a/Assets/Scripts/Ally/Castle.cs b/Assets/Scripts/Ally/Castle.cs
new file mode 100644
index 0000000..20094ec
--- /dev/null
+++ b/Assets/Scripts/Ally/Castle.cs
@@ -0,0 +1,62 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Castle : Building
+{
+    public float PopulationGiven => GlobalConfig.Instance.Current.populationGivenPerHouse;
+
+    [SerializeField]
+    private Root _root;
+
+    public override void Start()
+    {
+        base.Start();
+    }
+
+    public override void Update()
+    {
+        base.Update();
+        if (IsEnemyDetected)
+        {
+            AttackEnemy();
+        }
+
+    }
+
+    public override void LevelStart()
+    {
+        ResourceManager.Instance.MaximumPopulation += PopulationGiven * 2;
+        base.LevelStart();
+    }
+    public override void LevelDestroy()
+    {
+        ResourceManager.Instance.MaximumPopulation -= PopulationGiven * 2;
+        base.LevelDestroy();
+    }
+
+    void AttackEnemy()
+    {
+        //Attack Cooldown
+        if (AttackInterval < AttackSpeedWait)
+        {
+            
+            for(int i = 0; i < 4 && IsEnemyDetected; i++)
+            {
+                Invoke("ShootInterval", 0.1f * i);
+                if(Enemy.Hp <= 0) IsEnemyDetected = false;
+            }
+
+            AttackSpeedWait = 0f;
+
+        }
+
+        AttackSpeedWait += Time.deltaTime;
+
+    }
+
+    void ShootInterval()
+    {
+        _root.ShotProjectile();
+    }
+}
diff --git a/Assets/Scripts/Ally/Castle.cs.meta b/Assets/Scripts/Ally/Castle.cs.meta
new file mode 100644
index 0000000..e0fa876
--- /dev/null
+++ b/Assets/Scripts/Ally/Castle.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 295347fae18ea1442ae2cff64e3ea6d4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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diff --git a/Assets/Scripts/AnimationEntity.cs b/Assets/Scripts/AnimationEntity.cs
index 63359d8..5e83fa9 100644
--- a/Assets/Scripts/AnimationEntity.cs
+++ b/Assets/Scripts/AnimationEntity.cs
@@ -68,7 +68,7 @@ public class AnimationEntity : MonoBehaviour
 
     public void PlayAttackAnim() 
     {
-        if(!_isDead) {
+        if(!_isDead && _animatorEntity != null) {
             _animatorEntity.speed = AttackSpeedMultiplier;
             _animatorEntity.Play("attack", 0, 0f);
             entityState = EntityAnimationState.Attacking;
diff --git a/Assets/Scripts/Projectile.cs b/Assets/Scripts/Projectile.cs
index 4e5b51e..537ce3e 100644
--- a/Assets/Scripts/Projectile.cs
+++ b/Assets/Scripts/Projectile.cs
@@ -11,6 +11,9 @@ public class Projectile : MonoBehaviour
     [SerializeField]
     private bool straightProjectile = false;
 
+    private float _time = 0f;
+    private float _duration = 1f;
+
     [SerializeField]
     private float _angle = 10f; //Default
     [SerializeField]
@@ -48,8 +51,14 @@ public class Projectile : MonoBehaviour
     {
         if (straightProjectile)
         {
-            transform.position = new Vector2(_initialX + _speedTime, _initialY);
-            _speedTime += _speed * Time.deltaTime;
+            transform.position = Vector2.Lerp(new Vector2(_initialX, _initialY), 
+                new Vector2(_vectorEnd.x, _vectorEnd.y), _time/_duration);
+
+            //TODO: Implementer cette methode pour mieux faire fonctionner le projectile lorsque possible.
+            //transform.LookAt(VectorEnd, Vector3.forward);
+            
+            _time += Time.deltaTime;
+
             if (transform.position.x >= _vectorEnd.x)
             {
                 Destroy(this.gameObject);