Vlad merely smiled, watching him leave with a curious expression on his face. Cain and Abel whined, clearly wanting to follow Shane, but he kept a firm grip on their leashes and they soon realized that resisting was useless.
"Not yet, my pets," he said thoughtfully, reverting back to addressing them in English. "You will have your chance soon enough... but for now, I must first decipher your strange effect on that man."
He turned back towards the elevators, choosing to take the stairs instead to give them a little exercise, at least. There was something here, something that could be potentially useful to him against Shane if he could only figure it out - and he intended to do just that.