As Rico reached the door to the hallway, Thorvin's saucer-shaped drone shot off toward the end of the hall opposite the elevators. Shank and Filly dropped into combat crouches. Rico glimpsed the door at the end of the hall swinging open, and the sudden, dazzling flashes of the flare-strobes mounted on Thorvin's drone. Rico turned Surikov toward the elevators. A stun grenade detonated to their rear. Rico hoped it was from the drone.