Board Thread:Lore Discussion/@comment-71.82.250.138-20130206082748/@comment-5737364-20130209075726

I only remember the word "Plane". It could be any plane, as far as I know. I possess doubts, though. As during that time the Dragonfires are lit and an Septim resides on the throne, and therefore it would be extremely difficult to transgress into the realms of Oblivion.

Then again, this is the Dwemer we are talking about here. Who knows?