Wario Key

The Wario Key is an item in the game Super Mario 64 DS. The Wario Key was created by Bowser and given to Chief Chilly and his gang after the caught and trapped Wario. After Luigi was rescued by Mario, Luigi headed to the third floor of the castle. After entering the room with the giant mirror and grabbed a Power Flower and turned invisible. Luigi then ran through the mirror and jumped in to the painting of Wario. After Luigi fought and defeated Chief Chilly the Wario Key was all that he left behind. The Wario Key is a gold key about Luigi's size. It's got a giant W in the center with a Wario Hat on top. After Luigi unlocked the door that Wario was behind with the key Wario became playable.