Hits around 5k, no ramp or flurry that I saw. Had AE Wall Breaker that he cast every 3-10 seconds for about 4500. Low hp, we managed to get him to 90 before we got pwned, but definately seems like a raid mob.
Update - got another group to come with from guild last night and we managed to kill him on our 5th try. Way too hard for the loot he drops imo.