WIth Styrak (at least it 8-man, I haven't done 16) you can just bring 5 DPS and 1 tank. I will maybe loose aggro for 5 seconds maximum in a fight if there is sufficient rDPS for the choking adds. Then the DPS check is much less of an issue.
Assuming you're a assassin and clear the stacking debuff in P2 of kell dragon? Or a off taunt and its healable while you drop stacks?