User blog comment:Ado edem/Next ultimate skin?/@comment-5561377-20130608151815

I'm gonna guess it's one of these guys/gals (for Eve's Sake ;D).

Udyr = TigEr Stance and PhoEnix Stance; Spirit Walker. Evelynn = HatE Spike; Shadow Isles, the land of ghosts, spirits and anything that can be fertilizer. Mordekaiser = MacE of Spades and CreEping Death; Same as Eve. Karma(?) = RenEwal and InnEr Flame; Soulflare, synonymous to spirit flare. Lee Sin(?) = SafEguard; Relation to Udyr.

And if we include the speculation that it's a Dark Themed champion, we have:
 * and.

Of course there probably just making a dark themed ultimate skin, you know.