Champion Belt

The Champion Belt is a treasure found in. It appears to be a silver ring with a starburst marking.

Collecting the treasure
A vine can be found right before the iron block. Climbing the vine reveals a doorway to the left. Going through it brings the player to a small room with a Crested Mockiwi. The item can be found inside of it.

Trivia

 * Olimar's notes on this treasure describe the combat somewhat inaccurately; the Electric Spectralid does not use a one-two punch attack, (although he could just be using it to describe the onslaught of its attacks and not literally punching) and the Crested Mockiwi does not intrude upon the player.