The Basement Key is a key item that is given to the player as a reward for managing to defeat Wilson in the Challenge Championship. After it is obtained the player will gain access to the door situated below the Challenge Championship from the outside, which then leads them to a Raikou, Entei or Suicune within.
Only one of the legendaries above will appear in the player's game, and they will always correspond to the type that is super effective against the type of the player's Aroma Region starter.
Description[]
A purple key that can be used in the Phoenix Iota.