Thar'zul is a fel lord of the Burning Legion who leads the Legion invasion of Karazhan. He claims to have been sent by "the Great One" (likely Sargeras) and that Medivh opened the way for the Legion's victory.
He later appeared at the Master's Cellar in Deadwind Pass.
- Soul Cleave
- World Breaker
- Stage 4
- Thar'zul yells: The way is clear, just as the Great One promised! This tower is ours of the taking!
- Stage 10
- Thar'zul yells: You can't stop us, mage! Your former master opened the way to our victory! Karazhan will be ours!
- Archmage Khadgar says: I've really, REALLY had enough of that demon!
- Final Stage
- Thar'zul yells: This changes nothing, mage! Your defenses will crumble and your world will burn!
- The [Head of Thar'zul] is a class order hall mission reward that sends the player to Karazhan.