Old Gnawer is the final boss of the 6-man instance Skûmfil quest mode, left side.
Involved in Quests
-  Kergrim-leaders Fellowship
- "You kill Rockjaw, now I very angry!"
- "You kill Shalebiter! Why?"
- "My little friends! Why you kill them? Now I all alone!"
- Old Gnawer has ever delighted in chewing and picking at the bones of the dead in the corpse-piles of Skûmfil.