Eaglewatch : Heroes Never Die

I don't think a headshot would knock either of them out, especially if the barrier's are up. And unless you can stun pin or trap one of them in bastion's firing lane all you're gonna do is power up Zarya's shields before they get behind cover.

Also I learned yesterday that you can crouch! Handy to use on that piece of scenery you're really hoping is robust enough to survive a Nerf This!...