[ he freezes up and looks over his shoulder ] So you have been here before. Were you always this friendly, or just before they decided to black mail Saya?

[ but then he's distracted as he hears a loud crash from inside a room and with a raised hand, he creeps forward, peering inside. ]

It looks a servant. Should we risk it?

[ assuming he's human, one strike to the back of the head should put him out. And it'd save the risk of peering into every room they happen to pass by for Saya. ]