I ran a roulette with fc today, I was tank. I wiped the party at last boss by falling off cliff. I got the comm. Not deserved at all, my dps was low, didn't really know the run. But it was the healer that gave it. If everyone does well I follow the DPS should give to DPS and TANK and heals swap. If there is a standout, I give to them, I try to notice when DPS do a good job, because I think they get missed the most.