When Luigi first enters the Illusion Bedroom, a Takarabako Obake will appear. There is an endless amount of fish spawning from the pipe, Luigi must fire a fish at the chest, then suck up the purple spirit balls to return it to normal and obtain the key to the Lounge.
After Nikki, Lindsey, & Ginny scrambled the door ways, the Illusion Bathroom will not be visited until Luigi captures the magicians.
Names in other languages
|Bagno dello scrigno
|Bathroom with chest