Knowing that the power of the Gentle Darkness within the Supreme King was the only thing that could save his people from the invading Light of Destruction, he had Yubel, with her consent, turned into a dragon, to act as a guardian until he was old enough to use his power wisely.
- ↑ 1.0 1.1 Yu-Gi-Oh! Duel Monsters GX Duel Box 13 linework
- ↑ 2.0 2.1 Yu-Gi-Oh! GX episode 155: "Return of the Supreme King, Part 3"
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