diff --git a/Assets/Battle/BattleCardPrefabConstants.cs b/Assets/Battle/BattleCardPrefabConstants.cs
new file mode 100644
index 0000000..010f769
--- /dev/null
+++ b/Assets/Battle/BattleCardPrefabConstants.cs
@@ -0,0 +1,11 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class BattleCardPrefabConstants
+{
+    public const int CARD_WIDTH = 122;
+    public const int CARD_HEIGHT = 155;
+}
diff --git a/Assets/Battle/BattleCardPrefabConstants.cs.meta b/Assets/Battle/BattleCardPrefabConstants.cs.meta
new file mode 100644
index 0000000..9c8f705
--- /dev/null
+++ b/Assets/Battle/BattleCardPrefabConstants.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 27a83f780e888aa4e936b6400b5b4eab
+MonoImporter:
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diff --git a/Assets/Battle/BattlePlayerControls.cs b/Assets/Battle/BattlePlayerControls.cs
index 738ee96..d53f310 100644
--- a/Assets/Battle/BattlePlayerControls.cs
+++ b/Assets/Battle/BattlePlayerControls.cs
@@ -19,8 +19,9 @@ public class BattlePlayerControls : MonoBehaviour
 
     private BattleDeck<HeroCard> heroDeck;
     private BattleDeck<MonsterCard> monsterDeck;
-    private List<GameObject> cardsInHandUIs;
     private PlayArea playArea;
+
+    private HeroHandControls heroHandControls;
     private Dictionary<BaseCard, GameObject> cardsInPlayUIs;
 
     public void Init(
@@ -29,6 +30,8 @@ public class BattlePlayerControls : MonoBehaviour
         this.monsterDeck = monsterDeck;
         this.playArea = playArea;
 
+        this.heroHandControls = new HeroHandControls(this, this.uiCanvas, this.cardPrefab);
+        this.heroHandControls.OnCardClicked += OnCardClicked;
         this.cardsInPlayUIs = new Dictionary<BaseCard, GameObject>();
     }
 
@@ -45,41 +48,10 @@ public class BattlePlayerControls : MonoBehaviour
         
     }
 
-    private void SetHeroHand(List<HeroCard> hand) {
-        if (this.cardsInHandUIs != null) {
-            foreach (GameObject cardInHandUI in this.cardsInHandUIs) {
-                Destroy(cardInHandUI);
-            }
-        }
-
-        this.cardsInHandUIs = new List<GameObject>();
-        for (int i = 0; i < hand.Count; i++) {
-            HeroCard card = hand[i];
-            GameObject cardUI = Instantiate(this.cardPrefab, this.uiCanvas.transform);
-            this.cardsInHandUIs.Add(cardUI);
-            cardUI.transform.position = CalculateHandCardPosition(i, hand.Count);
-            cardUI.GetComponent<CardUI>().Init(card);
-            int cardIndex = i;
-            cardUI.GetComponent<Button>().onClick.AddListener(delegate {OnCardClicked(card);});
-        }
-    }
-
     private void SetMonsterHand(List<MonsterCard> hand) {
         // TODO
     }
 
-    private const int CARD_WIDTH = 122;
-    private const int CARD_HEIGHT = 155;
-
-    private Vector3 CalculateHandCardPosition(int index, int count) {
-        const int SPACING = 8;
-        const int DELTA = CARD_WIDTH + SPACING;
-        
-        return new Vector3(Screen.width * 0.5f - DELTA / 2 * (count - 1) + DELTA * index,
-                SPACING + CARD_HEIGHT / 2,
-                0);
-    }
-
     private void OnCardClicked(HeroCard card) {
         if (this.singleTargeting == null) {
             if (this.battleController.CanUseHeroCard(card)) {
@@ -113,7 +85,7 @@ public class BattlePlayerControls : MonoBehaviour
     }
 
     public void NotifyHeroHandPileChanged() {
-        SetHeroHand(this.heroDeck.GetHandPile().ToList());
+        this.heroHandControls.SetHeroHand(this.heroDeck.GetHandPile().ToList());
     }
 
     public void NotifyMonsterHandPileChanged() {
@@ -162,11 +134,11 @@ public class BattlePlayerControls : MonoBehaviour
     
     private Vector3 CalculatePlayAreaCardPosition(int index, int count) {
         const int SPACING = 8;
-        const int DELTA = CARD_HEIGHT + SPACING;
+        const int DELTA = BattleCardPrefabConstants.CARD_HEIGHT + SPACING;
         const int PADDING = 8;
         
-        return new Vector3(PADDING + CARD_WIDTH / 2,
-                Screen.height - PADDING - DELTA * index - CARD_HEIGHT / 2,
+        return new Vector3(PADDING + BattleCardPrefabConstants.CARD_WIDTH / 2,
+                Screen.height - PADDING - DELTA * index - BattleCardPrefabConstants.CARD_HEIGHT / 2,
                 0);
     }
 }
diff --git a/Assets/Battle/HeroHandControls.cs b/Assets/Battle/HeroHandControls.cs
new file mode 100644
index 0000000..b673b57
--- /dev/null
+++ b/Assets/Battle/HeroHandControls.cs
@@ -0,0 +1,51 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class HeroHandControls
+{
+    public delegate void CardClickedAction(HeroCard card);
+    public event CardClickedAction OnCardClicked;
+
+    private MonoBehaviour root;
+    private GameObject uiCanvas;
+    private GameObject cardPrefab;
+
+    private List<GameObject> cardsInHandUIs;
+
+    public HeroHandControls(MonoBehaviour root, GameObject uiCanvas, GameObject cardPrefab) {
+        this.root = root;
+        this.uiCanvas = uiCanvas;
+        this.cardPrefab = cardPrefab;
+    }
+    
+    public void SetHeroHand(List<HeroCard> hand) {
+        if (this.cardsInHandUIs != null) {
+            foreach (GameObject cardInHandUI in this.cardsInHandUIs) {
+                GameObject.Destroy(cardInHandUI);
+            }
+        }
+
+        this.cardsInHandUIs = new List<GameObject>();
+        for (int i = 0; i < hand.Count; i++) {
+            HeroCard card = hand[i];
+            GameObject cardUI = GameObject.Instantiate(this.cardPrefab, this.uiCanvas.transform);
+            this.cardsInHandUIs.Add(cardUI);
+            cardUI.transform.position = CalculateHandCardPosition(i, hand.Count);
+            cardUI.GetComponent<CardUI>().Init(card);
+            int cardIndex = i;
+            cardUI.GetComponent<Button>().onClick.AddListener(delegate {OnCardClicked(card);});
+        }
+    }
+    
+    private Vector3 CalculateHandCardPosition(int index, int count) {
+        const int SPACING = 8;
+        const int DELTA = BattleCardPrefabConstants.CARD_WIDTH + SPACING;
+        
+        return new Vector3(Screen.width * 0.5f - DELTA / 2 * (count - 1) + DELTA * index,
+                SPACING + BattleCardPrefabConstants.CARD_HEIGHT / 2,
+                0);
+    }
+}
diff --git a/Assets/Battle/HeroHandControls.cs.meta b/Assets/Battle/HeroHandControls.cs.meta
new file mode 100644
index 0000000..3a012e4
--- /dev/null
+++ b/Assets/Battle/HeroHandControls.cs.meta
@@ -0,0 +1,11 @@
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+guid: ca9b72ece27ba0c44890f16beba3bbbb
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