"Will do," Hector promises, and readies his shotgun- not that it wasn't ready before, but there's a certain mental difference between 'someone might come out of the ruins' and 'someone might be just around the corner in front of me'. The others follow his lead and start moving cautiously through the dark-painted interior; Al's the first one to call out that he's found something in a nearby vestibule- a generator and an inactive set of lights.