Anywhere you see a tribe of enslaved Broken you will also find a traitor.  A despicable being who sold his brothers for promises of power.$B$BThere is a hut at the top of the stairs in the center of the ruins.  That's the turncoat's hut.$B$BHe's not there right now, so you will be able to sneak in if you're patient.  Inside you will find a coffer with a key inside of it.  That key unlocks the chains that keep the Dreghood elders prisoner.  Bring it to me.$B$BBeware, Arzeth the Merciless wanders nearby.