diff --git a/Assets/Scripts/Ally/AllyUpgrade.cs b/Assets/Scripts/Ally/AllyUpgrade.cs
new file mode 100644
index 0000000..a0352af
--- /dev/null
+++ b/Assets/Scripts/Ally/AllyUpgrade.cs
@@ -0,0 +1,71 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+public class AllyUpgrade : MonoBehaviour, IPointerClickHandler
+{
+    [SerializeField]
+    private GameObject _upgradeUI;
+    [SerializeField]
+    private List<UnitUpgrade> _upgradeList = new List<UnitUpgrade>();
+    private GameObject _instance = null;
+
+    public void OnPointerClick(PointerEventData eventData)
+    {
+        if (eventData.button == 0)  //Left click
+        {
+            if (!_instance)
+            {
+                GameObject sceneCanvas = GameObject.Find("Canvas");
+                if (sceneCanvas != null)
+                {
+                    Canvas canvas = sceneCanvas.GetComponent<Canvas>();
+                    if (canvas == null)
+                    {
+                        Debug.Log("Canvas introuvable...");
+                    }
+                    else
+                    {
+                        _instance = Instantiate(_upgradeUI, Camera.main.WorldToScreenPoint(transform.position), Quaternion.identity, canvas.transform);
+                        AssignUpgrades(canvas);
+                        DeselectManager.Instance.SetAllyUpgrade(_instance);
+                    }
+                }
+            }
+            else
+            {
+                Destroy(_instance);
+                _instance = null;
+            }
+        }
+    }
+
+    private void AssignUpgrades(Canvas canvas)
+    {
+        // Assign upgrade Prefabs  
+        for (int i = 0; i < _instance.transform.childCount - 1; i++)
+        {
+            if (_upgradeList.Count > i && _upgradeList[i] != null)
+            {
+                GameObject upgradeEnfant = _instance.transform.Find("Upgrade" + (i + 1)).gameObject;
+                if (upgradeEnfant.TryGetComponent<UpgradePlacementButton>(out UpgradePlacementButton button))
+                {
+                    button.Initialize(_upgradeList[i], gameObject, canvas);
+                    //button.GetComponent<Selectable>().Select();
+                    //button.gameObject.AddComponent<DeselectedAction>().Init(_instance);
+                }
+            }
+        }
+    }
+
+    private void OnDestroy()
+    {
+        if (_instance != null)
+        {
+            Debug.Log("Destroying upgrade UI");
+            Destroy(_instance);
+            _instance = null;
+        }
+    }
+}
diff --git a/Assets/Scripts/Ally/AllyUpgrade.cs.meta b/Assets/Scripts/Ally/AllyUpgrade.cs.meta
new file mode 100644
index 0000000..389b93e
--- /dev/null
+++ b/Assets/Scripts/Ally/AllyUpgrade.cs.meta
@@ -0,0 +1,11 @@
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+  serializedVersion: 2
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