|Character class||Death knight, Warrior (formerly)|
|Occupation||Leader of Blackrock Clan Outrunners, Chief Lieutenant|
Tharil'zun is a level 20 elite named orc found in Stonewatch in the Redridge Mountains. Tharil'zun is the leader of the Blackrock Clan Outrunners and Gath'Ilzogg's chief lieutenant. He is responsible for some of the attacks on Lakeshire. Recently, Marshal Marris of Lakeshire has enlisted the help of Alliance adventurers to hunt down and kill this dangerous orc. In Cataclysm, he becomes a death knight. Colonel Troteman sends Bravo Company to kill him and Gath'Ilzogg.
- In side courtyard along southern wall of Stonewatch Keep.
- He was killed by a group of heroes which included a priest, and his friends Tielyn, and Anat, according to the short story Priestly Reckoning. The story was hinted to be non-canon.
His appearance before 4.0.3a.
- Patch 4.0.3a (2010-11-23): Updated class from warrior to death knight and level reduced from 24 to 20.