In just a few breaths, Fang Cheng had already traversed the vibrant water layer.
Ahead, the seabed began to slope downwards, revealing large swathes of gray-white volcanic rock.
He didn't linger here at all, pushing off fiercely with his feet on the cliff rocks.
Instantly, fine cracks appeared on the hard volcanic rock.
Using this counterforce, his body once again accelerated downward, diving headfirst into the darkness below.
After passing two hundred meters, Fang Cheng felt as if he had crashed into an invisible wall of water.
This was the "thermocline," a distinctly tactile layer in the deep sea.
Here, due to the lack of sunlight, the salinity and density of the water suddenly changed, and the temperature plunged from twenty degrees to around four degrees over just a few dozen meters of depth.
