Oddly the only two times I've had in the game and felt under stress was first time tanking in Draigoch and first time there on my noob burglar with a first go at a new build it required.
It was questioning if that claw I could see was really the claw to send my fellows to safety or to their deaths. We must have been doing it right because we had only one time it bugged out on us. All got a cloak in the end. Turned out okay for the burglar, got more FMs off than the main burglar.
Was soon running down to the group in phase one to give them a wave and sprinting back up into the tank spot. Great mechanics. And always good to watch the noobies FRY.