We must give the traitor no place to hide. I have a focusing lens that will illuminate cloaked fel energy. If it were placed on a high point, it could act like a beacon, lighting up anyone in town who reeks of the fel taint.
There is a prayer circle atop the Exarch's Rise to the north that will serve our purpose. Plant the focusing lens, <name>. If you reveal anything, deal with it. Then meet me below.
<The Exarch listens to your tale, his face contorting into concern, grief, and finally anger.>
So Othaar has lost his way. "Socrethar" he calls himself now. At last we have our answer. I fear my capture at the hands of the Iron Horde was his doing. There may be other traitors amongst us - I must hurry back to Auchindoun and make sure we are safe.
In the meantime, I believe the Exarchs owe you a decision...