First Layer of Hades.
It was a dark, oppressive world that reeked of gloom and dread.
Even the wind seemed to carry an atmosphere of terror.
There was no sun, no moon, and even less starlight.
The entire sky was black as ink.
To the eyes of ordinary living beings, it was nearly impossible to see one's own hand in front of one's face.
But it posed no problem for demons with exceptional night vision.
At most, the colors in their vision were somewhat monotonous.
Nothing but black and white.
This was actually one of the reasons they were so eager to invade other worlds.
They wanted to see a more vibrant, colorful world.
Imu felt this place resembled the Underworld, yet it truly existed within the material dimension.
Besides that.
He could sense that every corner of this place was filled with an extremely high concentration of negative emotional energy.
Ordinary beings would likely suffer noticeable effects on their mental state after living here for only a few days.
They would then gradually descend into madness, eventually mutating into true demonic creatures.
"Looks like the counteroffensive plan has another problem to deal with."
Hidden in another space, Imu surveyed his surroundings and pondered silently.
The Five Elders wanted to seize a World Government base on the first layer of Hades, wage a long-term war against demons, and capture them at the same time.
But most people simply could not endure this place.
Imu guessed that unless one's will was firm enough to cultivate Haki, or one possessed some means of resisting negative energy.
This was a problem that had to be solved.
After making a note of this, Imu used spatial teleportation to find the culprit behind the invasion of the Shinobi World.
Moryo.
Originally, it had been a