Metal-guarded chambers hiding long downward escape tunnels that open only when withdrawal transforms the floor's monsters.
Elle McGib confirms a secret exit behind the robot rooms. The passage slopes a long distance downward toward what sounds like another railway and does not appear to open until the robots wake.
The robots themselves activate only after monsters begin withdrawal, linking the concealed evacuation route to the same crisis that makes ordinary terminals unsafe.
Guarded chambers connected to long angled service tunnels descending toward a lower train track.
The rooms may give stranded crawlers a way off isolated tracks without fighting the metal guards.