Lambert can't even particularly react much except to feel a vicious satisfaction as the Beta goes flying. He tries forces trembling limbs to steady without much success and casts Tyki a wry look -- 'bunch of idiots' sounds about right, though -- before he glances down to make sure the Gamma under him is thoroughly unconscious.

He could try to help with the attack, but right now it would roughly be as effective as smacking the Beta with the pool noodle without its powers, so. He doesn't have much of a choice except to hope that Shimmer or someone else has this in hand.