C589 The Attack of the Sea Demon

After walking for a long time, Lee Tian had no idea what kind of depth he had reached in the sea.

He could no longer sense the existence of any fish.

Furthermore, the surroundings were completely pitch black. No matter what kind of light it was, it was blocked by the thick sea water.

He suddenly remembered that in his previous life, he had heard that humans only knew about 5% of the sea