Villains' Vendetta

Villains' Vendetta, known as Revenge of the Champion in the Japanese version, is the thirteenth, final, and hardest match of the Mirage Arena in Kingdom Hearts Birth by Sleep. It ranks at five stars and is unlocked once the player has reached Arena Level 30. Once won, it rewards the player with 750 Arena Medals and the Ultima Weapon Keyblade in addition to awarding the Arena Sweeper trophy in the Trinity Archives upon completion of the character's storyline.