Yuma, Astral, Tori, Shark, Kite, and the introduction/reappearance of various WDC finalists.

While Yuma is down, his allies step up. Specifically, Kaito (Kite) Tenjo arrives to face the Barian Emperors, standing as the "single blue shadow" protecting his friends.

This episode takes place on the eve of the World Duel Carnival (WDC) finals in Heartland City.

Yu-Gi-Oh! Zexal Second Episode 50