This was the Wall of Limit, a ring-shaped ascending ocean current that divided Lake Möbius into inner and outer circles.
Humanity had always lived in the heart of the inner circle—the Six Continents.
And at the end of the outer circle lay the Dark Continent.
Human ships were blocked by the Wall of Limit no matter which direction they sailed, leaving them no choice but to seek the Gatekeepers' help.
The two Gatekeepers each guarded one of the eastern and western Gates of Limit. These were the only routes by sea for humanity to reach the Dark Continent.
The group gathered at the bow of the research vessel, captivated by the breathtaking sight and filled with awe. Then, far in the distance, they spotted the outline of an island.
It was the only place without an ascending ocean current, making it stand out from its surroundings.
Clearly, that was their destination.
"Bring the ship in," Gelman ordered.
Mewheru and the other mercenaries chose to obey, adjusting the research vessel's course.
The research vessel's voyage over the past two weeks had been anything but smooth. From time to time, they'd been attacked by giant beasts from the skies and the depths.
Once, Mewheru had glanced at the sea and seen that their research vessel was sailing directly above an enormous eyeball.
The ship was smaller than its pupil.
Even the mercenaries, hardened by countless brushes with death, had been so terrified by the sight that they'd developed a fear of the deep sea.
Just as Mewheru had thought they were about to perish beneath the waves, he felt Gelman release his Nen Energy.
The Nen Energy was incredibly domineering. Yet when it enveloped Mewheru, his panic faded, and his resolve strengthened.
Mewheru had never felt Nen Energy like that before. Not