 For a time an exile kingdom was founded in the northern Blue Mountains, but Thráin II was driven to wandering the wilderness by his Ring, the last of the Dwarvish Rings not yet taken by Sauron or consumed by dragons.He was soon captured by Sauron, then reigning as the Necromancer in Dol Guldur.Thráin was tortured, his Ring of Power taken, and finally died.