diff --git a/nekoyume/Assets/_Scripts/Game/Battle/Stage.cs b/nekoyume/Assets/_Scripts/Game/Battle/Stage.cs
index 44c04404abf..3fd7d4b037a 100644
--- a/nekoyume/Assets/_Scripts/Game/Battle/Stage.cs
+++ b/nekoyume/Assets/_Scripts/Game/Battle/Stage.cs
@@ -13,6 +13,7 @@
 using System.Linq;
 using Cysharp.Threading.Tasks;
 using DG.Tweening;
+using JetBrains.Annotations;
 using mixpanel;
 using Nekoyume.Battle;
 using Nekoyume.Blockchain;
@@ -447,6 +448,7 @@ private IEnumerator CoPlayStage(BattleLog log)
             ClearBattle();
         }
 
+        [CanBeNull]
         private AdventureBoss_line_character _adventurebossCharacterEffect;
 
         private IEnumerator CoBreakThroughStart()
@@ -464,13 +466,16 @@ private IEnumerator CoBreakThroughEnd()
             NcDebug.Log($"CoBreakThroughEnd");
             Widget.Find<UI.Battle>().LineEffect.SetActive(false);
             SetSpeed(AcceleratedAnimationTimeScaleWeight);
-            _adventurebossCharacterEffect.LazyStop();
+            if (_adventurebossCharacterEffect)
+            {
+                _adventurebossCharacterEffect.LazyStop();
+            }
             yield return new WaitForSeconds(0.5f);
         }
 
         private async UniTaskVoid FollowCharacterEffect()
         {
-            while (_adventurebossCharacterEffect.isActiveAndEnabled)
+            while (_adventurebossCharacterEffect != null && _adventurebossCharacterEffect.isActiveAndEnabled)
             {
                 _adventurebossCharacterEffect.transform.position = _stageRunningPlayer.transform.position;
                 _adventurebossCharacterEffect.transform.position += new Vector3(0.9581f, 0.7f, 0);
diff --git a/nekoyume/Assets/_Scripts/Game/Character/BreakthroughCharacter.cs b/nekoyume/Assets/_Scripts/Game/Character/BreakthroughCharacter.cs
index 778c65a6e08..fceb6f031df 100644
--- a/nekoyume/Assets/_Scripts/Game/Character/BreakthroughCharacter.cs
+++ b/nekoyume/Assets/_Scripts/Game/Character/BreakthroughCharacter.cs
@@ -95,7 +95,10 @@ private void OnTriggerEnter(Collider other)
 
             AudioController.instance.PlaySfx(AudioController.SfxCode.AdventureBossMonCollision);
             var vfx = VFXController.instance.CreateAndChaseCam<AdventureBossSweepAttackVFX>(pos);
-            vfx.transform.localScale = new Vector3(2f, 2f, 2f);
+            if (vfx)
+            {
+                vfx.transform.localScale = new Vector3(2f, 2f, 2f);
+            }
             StartCoroutine(Dying());
             transform.DOMove(transform.position + new Vector3(16f, 6f, 0), 4.8f).SetEase(Ease.OutExpo);
             SpineController.transform.DOBlendablePunchRotation(new Vector3(0, 0, 360), 2.2f).SetEase(Ease.OutExpo);
diff --git a/nekoyume/Assets/_Scripts/Game/Controller/VFXController.cs b/nekoyume/Assets/_Scripts/Game/Controller/VFXController.cs
index a9bf5de6d14..eef77c7c8d5 100644
--- a/nekoyume/Assets/_Scripts/Game/Controller/VFXController.cs
+++ b/nekoyume/Assets/_Scripts/Game/Controller/VFXController.cs
@@ -1,4 +1,5 @@
 using System.Collections;
+using JetBrains.Annotations;
 using Nekoyume.Game.Util;
 using Nekoyume.Pattern;
 using UnityEngine;
@@ -40,6 +41,7 @@ public T CreateAndChase<T>(Transform target, Vector3 offset) where T : VFX.VFX
             return vfx;
         }
 
+        [CanBeNull]
         public T CreateAndChaseCam<T>(Vector3 position) where T : VFX.VFX
         {
             var target = ActionCamera.instance.transform;
@@ -51,30 +53,38 @@ public T CreateAndChaseCam<T>(Vector3 position) where T : VFX.VFX
             return vfx;
         }
 
+        [CanBeNull]
         public T CreateAndChaseCam<T>(Vector3 position, Vector3 offset) where T : VFX.VFX
         {
             return CreateAndChaseCam<T>(position + offset);
         }
 
         // FIXME: RectTransform이 아니라 Transform을 받아도 되겠습니다.
+        [CanBeNull]
         public T CreateAndChaseRectTransform<T>(RectTransform target) where T : VFX.VFX
         {
             return CreateAndChaseRectTransform<T>(target, target.position);
         }
 
         // FIXME: RectTransform이 아니라 Transform을 받아도 되겠습니다.
+        [CanBeNull]
         public T CreateAndChaseRectTransform<T>(RectTransform target, Vector3 position) where T : VFX.VFX
         {
             var targetPosition = target.position;
             var offset = position - targetPosition;
             offset.z += 10f;
-            var vfx = _pool.Get<T>(targetPosition + offset);
+            var vfx = _pool?.Get<T>(targetPosition + offset);
             StartCoroutine(CoChaseTarget(vfx, target, offset));
             return vfx;
         }
 
         private static IEnumerator CoChaseTarget(Component vfx, Transform target, Vector3 offset)
         {
+            if (!vfx)
+            {
+                yield break;
+            }
+
             var g = vfx.gameObject;
             var t = vfx.transform;
             while (g.activeSelf &&
diff --git a/nekoyume/Assets/_Scripts/Game/Game.cs b/nekoyume/Assets/_Scripts/Game/Game.cs
index 3e536fc2bd2..6a892fbeb6c 100644
--- a/nekoyume/Assets/_Scripts/Game/Game.cs
+++ b/nekoyume/Assets/_Scripts/Game/Game.cs
@@ -1018,7 +1018,7 @@ private static void PlayMouseOnClickVFX(Vector3 position)
         {
             position = MainCanvas.instance.Canvas.worldCamera.ScreenToWorldPoint(position);
             var vfx = VFXController.instance.CreateAndChaseCam<MouseClickVFX>(position);
-            vfx.Play();
+            vfx?.Play();
         }
 
         public void ResetStore()
diff --git a/nekoyume/Assets/_Scripts/UI/Widget/Animation/ItemMoveAnimation.cs b/nekoyume/Assets/_Scripts/UI/Widget/Animation/ItemMoveAnimation.cs
index da534130303..3bb997dfcee 100644
--- a/nekoyume/Assets/_Scripts/UI/Widget/Animation/ItemMoveAnimation.cs
+++ b/nekoyume/Assets/_Scripts/UI/Widget/Animation/ItemMoveAnimation.cs
@@ -149,7 +149,10 @@ private IEnumerator CoPlay(Vector2 defaultScale, bool moveToLeft,
             if (endPoint == EndPoint.None)
             {
                 var vfx = VFXController.instance.Create<ItemMoveVFX>(_endPosition);
-                yield return new WaitWhile(() => vfx.gameObject.activeSelf);
+                if (vfx)
+                {
+                    yield return new WaitWhile(() => vfx.gameObject.activeSelf);
+                }
             }
 
             IsPlaying = false;
diff --git a/nekoyume/Assets/_Scripts/UI/Widget/Hud/HpBar.cs b/nekoyume/Assets/_Scripts/UI/Widget/Hud/HpBar.cs
index 9bead0ed985..b8463f06d4e 100644
--- a/nekoyume/Assets/_Scripts/UI/Widget/Hud/HpBar.cs
+++ b/nekoyume/Assets/_Scripts/UI/Widget/Hud/HpBar.cs
@@ -38,7 +38,7 @@ public void SetBuffs(IReadOnlyDictionary<int, Buff> buffs, TableSheets tableShee
 
                 var rectTransform = bar.rectTransform;
                 HpVFX = VFXController.instance.CreateAndChaseRectTransform<HpBarVFX>(rectTransform);
-                HpVFX.Play();
+                HpVFX?.Play();
             }
             else if (!buffLayout.HasBuff(StatType.HP))
             {
diff --git a/nekoyume/Assets/_Scripts/UI/Widget/Popup/CelebratesPopup.cs b/nekoyume/Assets/_Scripts/UI/Widget/Popup/CelebratesPopup.cs
index 4f73fe0ff54..50808cf12c3 100644
--- a/nekoyume/Assets/_Scripts/UI/Widget/Popup/CelebratesPopup.cs
+++ b/nekoyume/Assets/_Scripts/UI/Widget/Popup/CelebratesPopup.cs
@@ -351,7 +351,7 @@ private void PlayEffects()
 
             var position = ActionCamera.instance.transform.position;
             _praiseVFX = VFXController.instance.CreateAndChaseCam<PraiseVFX>(position);
-            _praiseVFX.Play();
+            _praiseVFX?.Play();
         }
 
         private void StopEffects()
diff --git a/nekoyume/Assets/_Scripts/UI/Widget/Screen/CombinationLoadingScreen.cs b/nekoyume/Assets/_Scripts/UI/Widget/Screen/CombinationLoadingScreen.cs
index ce9f0c9fdbd..896ec4f6f48 100644
--- a/nekoyume/Assets/_Scripts/UI/Widget/Screen/CombinationLoadingScreen.cs
+++ b/nekoyume/Assets/_Scripts/UI/Widget/Screen/CombinationLoadingScreen.cs
@@ -4,6 +4,7 @@
 using Nekoyume.Game.VFX;
 using Nekoyume.UI.Tween;
 using System.Collections;
+using JetBrains.Annotations;
 using Nekoyume.L10n;
 using Nekoyume.Model.Item;
 using Nekoyume.UI.Model;
@@ -45,6 +46,7 @@ public enum SpeechBubbleItemType
         private Coroutine _npcAppearCoroutine = null;
         private readonly WaitForSeconds _waitForOneSec = new(1f);
 
+        [CanBeNull]
         private CombinationSparkVFX _sparkVFX = null;
         private bool _itemMoveAnimation = true;