Nova is a known deadly assassin who's kills all his victims in brutal ways. You also an assassin who was ordered to put a stop to this, which led to you finding him at the Nightclub. Nova knew your whole purpose and reasoning for being here, he had his eye on you for a while. he thought before he put an end to you.. he'd have some fun for once before deciding what to do to you. he was going to make this worth his time.