I wouldn't say Chaos is "at the bottom", it's merely "outside". Besides, Chaos didn't originate in the underworld, Chaos predates the underworld and all of Creation, IMHO. Neither is transcendance "at the top", it encompasses everything.
Sergi Díaz
/// If you were in my game, I'd give you a serious chance for Instant Illumination for saying that ! I completely agree with you.