Luigi Key

The Luigi Key is an item in Super Mario 64 DS. The Luigi Key is the second key to be retrieved in the game. The Luigi Key was created by Bowser and given to King Boo and his army of Boos after the caught Luigi and trapped him behind his door. The key was brought to Big Boo's Haunt where Mario had to get into a secret room and navigate through a maze to find King Boo and defeat him.