"Oh? Something's wrong? What exactly is wrong?"
Bull-Horn Demon and the other demons all stared at the Nether Ghosts, their hearts turning cold. These cunning Nether Ghosts had indeed discovered something.
"Earlier, I sent some Nether Ghosts to infiltrate that mysterious Qingyang City. It is said to be the Holy City of the humans in this world, as well as their strongest force. As expected, we uncovered some secrets."
The Nether Ghost said in a deep voice, "First, that city is unimaginably vast, and its construction speed is astonishing. Such an enormous city was actually built in just a few months. A level of technology like this is simply not something this tiny human plane should possess. Moreover, three powerful restriction formations have been set up within the city.
"Such restriction formations have never even been heard of in this planar world. No human has ever possessed knowledge in this area. It is as though they appeared out of thin air."
"Indeed, that is extremely strange. A world's technological development should follow an orderly course; it cannot produce something so unreasonable out of nowhere. Your suspicions are well-founded." Bull-Head Demon nodded. It had once fought campaigns across north and south and conquered many planar worlds, so it naturally knew quite a lot.
It had conducted considerable research into the history, culture, and technology of every world.
"So, we came to a bold conjecture."
A glint flashed through the Nether Ghost's eyes. "This low-level human plane may not only be connected to our Hell World—it may even be connected to a human higher plane that is larger and more powerful than this planar world.
"It was precisely because some humans entered this low-level plane from that higher plane and offered the humans of this world their aid that Formless Ghost King