Trying to add new enemy

Levels/Area2D.gd

@@ -1,6 +1,7 @@
 extends Area2D
 
-
+onready var portal = get_node("../PortalDarkForest")
+onready var shape = portal.get_child(0)
 # Declare member variables here. Examples:
 # var a: int = 2
 # var b: String = "text"
@@ -8,7 +9,7 @@ extends Area2D
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-  self.visible = false
+    shape.set_deferred("disabled",true)
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
@@ -16,5 +17,5 @@ func _ready() -> void:
 #  pass
 
 
-func _on_Area2D_body_entered(body: Node) -> void:
-  self.visible = true
+func _on_ChestDetection_body_entered(body: Node) -> void:
+    shape.set_deferred("disabled",false)