 He can replay events he has seen to others by removing and crushing his left eye, which turns into dust and flows around those to whom Ulquiorra is relaying information.While other hollows traded defensive abilities for raw strength upon becoming arrancars, Ulquiorra maintained his high-speed regeneration abilities with only his brain and internal organs unregenerable.When released, his "zanpakutō", creates two large black bat-like wings on his back.