I can't remember were, think it was one of those newsletter thingies. Ther was a cool image of what I can only guess was a concept of the fabled water dragon :)
Has anyone else seen this? Sry i don't know how to wrk links so I've not attached a pic :(
I know, there are 3-4 locked doors you need unlock to open, and then there's the door that leads down to the huge empty room that you can and afaik, could always "glitch" through. If there are more than that, then I don't know about them.