Glúmir can be found in the Keep of Sarnúr. He has three known spawn points there. They are:
- on the lower level, near the pools of freezing water.
- at the dead end left from entrance.
- roams the stairs overlooking the hallway.
He appears to re-spawn 6hrs after he dies.
This boss is OK to kill when your class uses tactical skills. Otherwise, be sure to use a weapon which does Ancient Dwarf damage.
Killing Glúmir grants you:
-  Retrieve Rune-shards