C88 The Secret Laboratory

In the vast and unfathomable depths of the ocean, Lu Wangshu's hands were bound behind his back, with several weights attached to the rope, dragging his body deeper into the abyss.

He thrashed about in the pitch-black water, expelling sporadic bubbles from his mouth. The precious oxygen within him was ebbing away slowly. His lungs felt like a balloon losing air, steadily shriveling up