Originally Posted by
ThunderTaco
We are still progressing on this fight, but as a Warlock, I would not do the belt as Affliction. The spec is very strong at the pull but isn't really suited for the belt, if you don't have any procs, your DPS would greatly diminish and end up in not killing the weapon. As destruction you can cap embers and then get 4 chaos bolts with good placement, ending in an easy belt.
Edit : As people said before me, you should probably just swap it and send a melee. Juste place a portal so melees can go on the belt quickly.