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Hours had passed. The legionnaires, headed by Commander Desquer, were encamped by a small, rocky inlet on the Midnight Sea, a fathomless lake of inky water that stretched beyond the limit of vision. A pallid glow came from the cavern roof far above, rippling over the surface of the tideless, sluggish sea. It was a scene fantastic almost beyond belief, and Tony, on guard at the mouth of a crevasse where the others slept, could scarcely realize that he was still on Earth, and not beneath the surface of some alien world.
They had come far and fast, slipping stealthily past the guards the Copts had posted, taking advantage of every unused tunnel, guided more by instinct than by knowledge. The city of the Copts they had skirted, descending ever deeper to the forbidden gates of Alu. And now, on the shore of the Midnight Sea, they were ready for the plunge into the unknown.