Originally posted by Enyalus
For all intensive purposes, Onslaught ruled the astral plane. He locked Nate Gray out of it and beat Phoenix on it. And then yeah, the note about him drawing all the psionic energy off the astral plane from every living thing.
Onslaught did not defeat Phoenix on the astral plane. That was an illusion. I don't know where you get that impression. Onslaught was merely trying to trick Phoenix into becoming his ally.