User blog comment:DragonbornMAGE/Short view on Dwemer disappearance/@comment-26474238-20121230093048

If you ever decide to pick up and play Morrowind 3, you'll discover that the Dwemers' disappearance has already been properly explained. After tapping into Lorkhan's Heart, the Aedra willed the entire Dwemer race on Nirn into another plane of existance. The only known survivor of this event was Yagrum Bagarn.