Kill Bazil Thredd and bring his head back to Warden Thelwater at the Stockade.

Chain

  The Unsent Letter →   Bazil Thredd →   The Stockade Riots →   The Curious Visitor →   Shadow of the Past →   Look to an Old Friend →   Infiltrating the Castle →   Items of Some Consequence →   The Attack! →   The Head of the Beast →   Brotherhood's End →   An Audience with the King