User blog comment:Ninja Tank Nick/Reason I think the dragonborn Could not be emperor of Tamerial/@comment-3501448-20120329013343

He could go the way of ol' Tiber and slay elves until he's in command.

Hell, now that I think about it, why the hell couldn't we?

Dovahkiin pretty much wins the civil war by himself, for whatever side he chooses. It's very likely he could ursurp the throne, having more personal power than the empire itself at this point.