Yi Xing Long, also known as Omega Shenron, is the primary antagonist of the final saga in Dragon Ball GT. As the ultimate Shadow Dragon, he was born from the negative energy accumulated in the Dragon Balls. Yi Xing Long is the most powerful of the Shadow Dragons, possessing the abilities of the other six dragons and a ruthless, destructive personality. His role in the series is to challenge Goku and his allies in a final battle, pushing them to their limits to save the universe.