Top Mortal, I Can Infinitely Improve My Physique

This was a heyday when gods were everywhere and various cultivation systems competed. Lin Chen traveled through time and space as a mortal with no roots, but could improve his physique infinitely. After living in poverty for twenty years, he just wanted to go out to experience the splendid and prosperous world. As soon as he went out, he met the ancient demon lord who had returned to his peak and was invincible. Lin Chen didn't know that this person was the Ancient Demon Lord. The Ancient Demon Lord also thought that Lin Chen was just an ordinary person who wanted to give him a tooth-sucking sacrifice. After a great battle, Lin Chen became autistic. He was slightly injured before he managed to kill the man. He felt that he was too incompetent and that a random demon cultivator would put him in danger, so he went home honestly and continued to improve his physique. The ancient demon lord was also autistic. He originally just wanted to beat a mortal with his teeth, but he was beaten to the point of death. Only by using ancient secret techniques did he escape with a trace of his soul. The world of cultivation has also become autistic. When they learned that the ancient demon lord had resurrected and was about to slaughter the world, they had already prepared a fire plan, tightened their nerves, and then... Nothing happened... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.