Added win condition for level 1 and added boss fight for level 5

Levels/Level 5.gd

@@ -2,5 +2,26 @@ extends Node2D
 
 
 func _ready() -> void:
-	$YSort/Player.load_hud($HUD)
-	return
+    $YSort/Player.load_hud($HUD)
+    return
+
+
+func _on_activate_boss_teleporter_body_entered(body: Node) -> void:
+    $'Interactables/Boss Teleporter'.set_deferred('visible', true)
+    $'Interactables/Activate Boss Teleporter'.call_deferred('queue_free')
+    return
+
+
+func _on_eyeball_boss_death() -> void:
+    $YSort/Enemies.call_deferred('queue_free')
+    $Lights.call_deferred('queue_free')
+    $Darkness.set_visible(false)
+    $Ending.start()
+    return
+
+
+func _on_ending_timeout():
+    if get_tree().change_scene('res://GUI/Level Complete.tscn') != OK:
+        print('ERROR: Level 5 failed to change scene to Level Complete.')
+    queue_free()
+    return