Managed to work his way into a Tevinter slave ring by setting up an old asylum in the Denerim Alienage as a cover. He would recruit mages from back home to mix potions and cast spells meant to twist the minds and memories of elves into something zombie-like and complicit. The perfect slaves.
The routine was going for about a year before a suspicious Grey Warden and company investigated. He was last seen being taken into custody to be tried in Denerim court.