Key to Peach's Castle

The Key to Peach's Castle is an item in Paper Mario: The Origami King, and is used to unlock the front door to Peach's Castle. Princess Peach's emblem is found on the key. Throughout the game, Luigi searches for the key, and finds multiple other keys to other areas while searching for it. The Key to Peach's Castle is found in one of the exhaust pipes on Luigi's kart following the section in Hotfoot Crater, allowing access to Peach's Castle.