[quote=Tyki]
actually no, turns out it's an actual, full blown dimension, created by the earl although the rest is true
[/quote]

Alright, so I have one more question. Are the Noa originally from the same dimension as humanity, or are they interdimensional god-like things by nature? If so, we could easily rule that the Noa have always roamed between dimensions. The Ark is their home, and the Excorcist World their playground, but they always had the ability to move anywhere they wanted.