Gedna Relvel is a Lich who may randomly appear at a Dark Anchor as a General. When she is summoned, Molag Bal will say, "Let's see if you can withstand the might of Gedna Relvel, crimson witch of Mournhold!" or "From deep beneath Morrowind, I summon the lich Gedna Relvel!"
There is one achievement associated with this creature:
|Mournhold Lich Destroyer||10||Defeat Gedna Relvel, the Lich of Mournhold, at a Dark Anchor.|