In the first demon-human war, the demon clan led by Chi You, the first generation spirit, was defeated by an earthly immortal named Jiuxuan, and the demon-slaying master Huang Di reaped the benefits. Since then, the demon clan has been hiding outside the "wall" for two thousand years.
During the second demon-human war, when the second-generation spirit Daji moved into the Central Plains and disrupted the human world, the demon clan realized that the blocking power of the "wall" had weakened and it was time to attack the human world. However, when many fine-level monsters approached the "wall", they discovered that Daji's head was already hanging there. Standing on the "wall" was not the earthly immortal who made them tremble, but a heroic young man holding a big sword - Ji Fa, the number one demon slayer who made the demons fearful.
In the third war between demons and humans, Ye Xian, an elf who has not yet reached the spiritual level, took advantage of the war in human society to lead the demons to push to the "wall" and rush into the Central Plains. He fought with the humans on the side to kill Xu Da, the leader of the demon master, and Liu Bowen, the earth immortal, in Banquan. As for the ending, opinions vary.
When the time comes to 2022, there are many crises hidden under the appearance of peace. The fourth demon war has begun...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.