He shows teeth when R goes for the same attack, perturbed by his speed, his persistence, unable to fully back away from the grip on his clothes. This would be a good time to activate his implants, were they willing to cooperate with him in this place, drive his hand through the attacker's torso again, making him regret the moment he even set eyes on Hyperion's back.

Instead he finds himself struggling. The knife is still very present in his hands, despite its small size, and he aims to drive it into R's neck, puncture and twist, but the closest he gets is to his shoulder, using his free arm to shield himself and keep teeth away from his flesh.