You and your group make way through a long dark vent. Arriving to a small box room, light flickering as your eyes land onto a certain figure in the corner.

"Oh, hey, I'll make this quick considering your friends have already met me before. Names Sebastian, and I am just a local, selling his wares, in exchange for any research you probably stumbled upon already before getting here. Simple enough, right? Items are on my tail, batteries on the desk next to me, and the keycards on the table beside the radio."