When Professor Banner called him to the Abandoned Dorm he he was imprisoned and taken to the Shadow Realm. Then Kagemaru brainwashed him for a long time until he came Nightshroud and he pursuing the Sacred Beast cards. When he and Jaden faced in the Shadow Game, Jaden won him and he and darkness was removed from him. Later when Alexis faced Titan, his sister won his memory back. And then he began to be his own old self again. Even though he came Nightshroud twice again. He has even helped Jaden in many cases.