The entire world had become an ocean, leaving humanity with only scattered islands and artificially constructed floating islands.
And to humanity, the vast "World Sea" was also sharply divided.
The waters that had once been land were where survivors were most active, the waters they knew best.
These waters were generally dozens of meters to around two thousand meters deep, considered "shallow seas."
Meanwhile, waters that had always been ocean were regarded as perilous paths—the true deep-sea regions.
All of these regions were over two thousand meters deep. Four or five thousand meters was standard, and there were even quite a few waters reaching depths of ten thousand meters.
Within these deep-sea regions lived countless gigantic sea beasts, including World Beasts, far beyond humanity's imagination.
Aside from those terrifying sea beasts and monsters, the deep-sea regions also held bizarre natural phenomena such as hurricanes, thunderstorms, undercurrents, submarine volcanoes, massive whirlpools, and more. Humans were like ants within them, with no chance of survival whatsoever.
Not to mention the enormous World Beasts. A single turn of their bodies could raise a tsunami and directly destroy human boats and skiffs.
For humans without large vessels, entering the deep-sea regions was simply seeking death.
Even with a large ship, it only meant dying with a little more dignity.
The Mist Sea was one such region located in the deep sea.
According to the legends of these seafolk, the Mist Sea was shrouded in dense fog year-round. It was nothing but white, and nothing could be seen at all.
No one knew how vast the Mist Sea truly was. They only knew that no one had ever passed through it.
There were also theories that the other side of the Mist Sea connected to the remnants of the former Eastern Continent, at least several