He simply watched, the invisibility spell wearing off while they waited, though he did shift around to be not completely obvious if she glanced down, though still hidden in the darkness of the room. He grinned as she jumped down, and lunged, trying to immobilize her before she got to the door. If he managed to grapple her this time, he hissed into her ear as the switchblade pressed against her back near her kidneys. "Be still and quiet, or die."