Green Cavern Energy Grid Scanner

The Doctor activates a compact scanner to assess the unstable energy matrix of the green cavern, its small screen flickering with unstable green readings as walls tremble from the planet's erupting energy. The device's unobtrusive casing contrasts with the violent tremors around it, its data stream disrupted by the cavern's volatile geothermal activity. Leela checks the scanner's output while the Doctor notes its readings confirm the tunnels' dual purpose—both refuge and hidden energy conduit for the planet's failing systems.