Massively underconned and immune to root and control effects. Bring a group.
Seems to be a tank and spank mob but he has lots of HP which makes it a tough fight for a small group. He does have a Savage Assault and Beatdown which appear to be AOE's. We killed him with a 90 Wizard, 90 Warden and 88 Necro; other than taking a few minutes to kill him, he didn't really have a chance.