Castle Key (Paper Mario: The Thousand-Year Door)
From the Super Mario Wiki, the Mario encyclopedia
The Castle Key is a name given to four different keys in Hooktail Castle in Paper Mario: The Thousand-Year Door. The first one is on a ledge near the flippable switches, and it opens the door to the right. The second is behind the cells on the first floor. Mario and co goes back after getting the Paper curse to get it to access the second floor. The third is in the storage room on the third floor, where Mario encountered Ms. Mowz. It opens the door to the right. The fourth is in the right of the third floor. It opens the first door on the fourth floor, to the outside.
Names in other languages