Serving a New Master

To complete this, you have to go to Nagafen's Lair

There will be a seperate instance known as The Arbiters Master at the gong to Nagafen.

Speak withthe ARbiter

Speak with Nagafen

Now you must kill Harla Dar, Lord Vyemm, Gorenaire, and Talendor.

Return to Nagafen

Welcome to deathtoll.