Board Thread:Lore Discussion/@comment-24098614-20150903224652/@comment-26987392-20150922211127

Draevan13 wrote: From how I understand it any Daedra, including the Daedric Princes, can be killed... but they always get re-born in the Waters of Oblivion, and are thus immortal. If they are killed in their plane of origin they're gone for good(this is very unlikely though, maybe impossible?).