diff --git a/src/Pools/EcsPool.cs b/src/Pools/EcsPool.cs
index c8d8045..c3f624b 100644
--- a/src/Pools/EcsPool.cs
+++ b/src/Pools/EcsPool.cs
@@ -259,6 +259,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Other
+        void IEcsPool.AddEmpty(int entityID) { Add(entityID); }
         void IEcsPool.AddRaw(int entityID, object dataRaw)
         {
             Add(entityID) = dataRaw == null ? default : (T)dataRaw;
diff --git a/src/Pools/EcsPoolBase.cs b/src/Pools/EcsPoolBase.cs
index 6f6f713..3bed942 100644
--- a/src/Pools/EcsPoolBase.cs
+++ b/src/Pools/EcsPoolBase.cs
@@ -88,6 +88,12 @@ namespace DCFApixels.DragonECS.Internal
         {
 #if (DEBUG && !DISABLE_DEBUG)
             throw new NullInstanceException();
+#endif
+        }
+        void IEcsPool.AddEmpty(int entityID)
+        {
+#if (DEBUG && !DISABLE_DEBUG)
+            throw new NullInstanceException();
 #endif
         }
         void IEcsPool.AddRaw(int entityID, object dataRaw)
@@ -101,7 +107,7 @@ namespace DCFApixels.DragonECS.Internal
 #if (DEBUG && !DISABLE_DEBUG)
             throw new NullInstanceException();
 #else
-                return null;
+            return null;
 #endif
         }
         void IEcsPool.SetRaw(int entity, object dataRaw)
@@ -179,6 +185,7 @@ namespace DCFApixels.DragonECS
     public interface IEcsPool : IEcsReadonlyPool
     {
         #region Methods
+        void AddEmpty(int entityID);
         void AddRaw(int entityID, object dataRaw);
         void SetRaw(int entityID, object dataRaw);
         void Del(int entityID);
diff --git a/src/Pools/EcsTagPool.cs b/src/Pools/EcsTagPool.cs
index 893bacb..0fe8260 100644
--- a/src/Pools/EcsTagPool.cs
+++ b/src/Pools/EcsTagPool.cs
@@ -224,6 +224,7 @@ namespace DCFApixels.DragonECS
         #endregion
 
         #region Other
+        void IEcsPool.AddEmpty(int entityID) { Add(entityID); }
         void IEcsPool.AddRaw(int entityID, object dataRaw) { Add(entityID); }
         object IEcsReadonlyPool.GetRaw(int entityID)
         {