Long ago, Durin the Deathless sealed away an evil being known as the Shadowed King. Driven by intense jealousy, he wears the face of the Father of the Longbeards and builds a kingdom deep beneath the earth; a twisted reflection of the dwarf hall above, a mockery of the grandness of Khazad-dûm. He must be defeated, or his demented visions may become reality.
Use the Summoning Horn to call Frethi to your side.
Frethi is standing by inside Askâd-mazal.
You should talk to Frethi
Defeat the Shadowed King.