It's past 24 hours so stripping spoiler bars...

Quote Originally Posted by Mando Knight View Post
I suspect the Earthworld he left is stuck in Comic Book Time™, and thus will always have some slightly-out-of-date references and such.

That said, Erfworld was somewhere in the middle of Book 1 when I joined in late 2007, IIRC.
Erfworld launched on GitP Dec 7th, 2006 according to Wikipedia.