Cave of Illboding Dark: The Source

Background
Dolur Axebeard, a coldain shaman stationed at The Great Shelf, has asked you to return to the Cave of Illboding Dark on the Forbidden Ossuary of Ice. He believes that by confronting the head necromancer, Orug Deathmaker, and shattering the dark crystal you can bring an end to the Ry'Gorr's ability to regenerate their undead.