[Eternal Dreamer]

Umm, actually, that may not be so, because,

Spoiler for Oz spoilers:

the latest chapter about the whole "Knightmare arena" is actually a flashback story, and the champion Orpheus tries to recruit, Zedd the Tiger, turns out to be Ze at the end. Though, the new Knightmare might turn out to be for Ze, which would be interesting.