diff --git a/Maple2.Model/Game/TriggerObject.cs b/Maple2.Model/Game/TriggerObject.cs
index 74a0923a..d94c0d67 100644
--- a/Maple2.Model/Game/TriggerObject.cs
+++ b/Maple2.Model/Game/TriggerObject.cs
@@ -120,6 +120,8 @@ public TriggerBox(Ms2TriggerBox metadata) {
 
     public bool Contains(in Vector3 point) => box.Contains(point);
 
+    public bool Intersects(in IPrism shape) => box.Intersects(shape);
+
     public override string ToString() {
         return $"Id:{Id}\n- {box}";
     }
diff --git a/Maple2.Server.Game/Trigger/TriggerContext.Npc.cs b/Maple2.Server.Game/Trigger/TriggerContext.Npc.cs
index 62b650fd..a2bcbcd1 100644
--- a/Maple2.Server.Game/Trigger/TriggerContext.Npc.cs
+++ b/Maple2.Server.Game/Trigger/TriggerContext.Npc.cs
@@ -274,7 +274,7 @@ private IEnumerable<FieldNpc> NpcsInBox(params int[] boxIds) {
             .Select(boxId => Objects.Boxes.GetValueOrDefault(boxId))
             .Where(box => box != null)!;
 
-        return Field.EnumerateNpcs().Where(mob => boxes.Any(box => box.Contains(mob.Position)));
+        return Field.EnumerateNpcs().Where(mob => boxes.Any(box => box.Contains(mob.Position) || box.Intersects(mob.Shape)));
     }
 
     private void SpawnNpc(int spawnId, bool useSpawnAnimation = false) {