Once Jace finishes his surgery and everyone is as patched together as they're going to be without a few days rest in Taelros' sickbay, you continue to investigate the ancient Sith compound. Mostly, though, you find pretty much empty rooms -- they could have been classrooms, or barracks, or sparring chambers once, but they gave little clue to their use.
While inside one of those rooms, though, Wes and Jace hear what sounds like some soldiers approaching.