C237 The Mysterious Cave

Gloomy and unfathomable, Captain Liu Han led his team nearly 500 meters below the ocean's surface. Contrary to their expectations, there were no swarms of sea life—only an abyss of emptiness.

"Captain Liu, we're blind out here..." The soldiers grumbled as they groped their way through the pitch-black depths.

Even Liu Han swam forward with a sense of helplessness