As they move towards the car, the ground gives a subtle but unmistakable tremor beneath their feet—a low rumble that echoes through the quarry.
But there's another, more direct vibration: a sudden pulse of energy from Thistle's pocket. Glamour flares brightly for a heartbeat, answering the movement of the earth, and she can feel the faint thrum of magic from within Caelan's workbook, resonating with a call from deep below the surface.