Wario Land 3: Part 55: The Warped Void (Gray Chest)

Description :

Wario obtains a mirror from the Forest of Fear that opens a magic portal to the Warped Void, a place reminiscent of the final level of Wario Land II. He starts next to the Gray Chest and must retrieve the Gray Key, which is guarded by Enemy Blocks. By picking up a nearby barrel and throwing it at the blocks, he can obtain the key. Yellow round surfaces act as teleporters that return him to the chest, while rectangle-shaped ones serve as doorways. After securing the key, Wario uses the traps to quickly return to the chest, where he finds a Mystery Handle. Installing and turning the handle creates a pipe that provides access back to the Forest of Fear.