Blue Key (Paper Mario: The Thousand-Year Door)

The Blue Key is a key found in Paper Mario: The Thousand-Year Door. It is located inside the Great Tree, in the room after the small Jabbi army. The key opens the cage where ninety Punies (including Petuni, Punio's sister) are imprisoned, increasing Mario's Puni army from eleven to one-hundred and one.

Names in other languages
Blauer Schlüssel it:Chiave blu (Paper Mario: Il Portale Millenario)