Doomlord (Siege of Orgrimmar)

Doomlord is a terrorguard invoked by Grol'dar during the Siege of Orgrimmar.

Background
After Garrosh Hellscream fortified Orgrimmar, he had all the warlocks in the Cleft of Shadow put to death for practicing fel magic. One of them, Grol'dar, did not want to die and so summoned a doomlord to fight for him.