Quote Originally Posted by Ephemera View Post
It's also possible that OOtS dwarves use "Valhalla" to refer to their afterlife of choice.
Maybe. Roy does (using the old 2e names) describe the afterlives in a way that makes them sound like the Great Wheel:

http://www.giantitp.com/comics/oots0669.html

Combined with the fact that Arcadia and Tartarus have received namedrops - it makes me think that "Valhalla" is simply Ysgard from the 3.5 DMG.