You can lock down a healer indefinitely. Pounce, maim, cyclone x3, bear charge to interrupt a heal, bash to interrupt another one, maim, cyclone x3, etc. Alternatively, you could stay on a melee. Cyclone and roots. I find that that doesn't work as well due to roots getting dispelled, but your role in that fight is situational, based on which of the champions your other raid members can cc.