http://www.wegame.com/watch/Heroic_H...ng_Multiboxed/

Did it 3 months ago and use the room futher back, you should tank him in the middle. I also wrote a guide on how to deal with him on normal before xmas, but due to pvp i never went there before 3-4 months after that.

I def agree that this is one of the easiest instance with 2-3 shamans in the group.