City Life - Miraculous Doctor From The Mountains - Chapter 5: Taiyi Yin-Yang Divine Needle!

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline in order to reach his goal: resume his career as a teacher which he left halfway through in his previous life.This is the story of a man who based on the memories and the experiences of his previous life, became a teacher who travels through the world with his new students.

Monsters, both human and beast, surrounded him. He needed power to survive this new world... but he arrived as a mortal.One moment William was at work. The next, he was captured by lunatics.He had never believed in the fantastical, but he had no choice after finding himself in another world surrounded by demonic cultivators trying to extract his soul. If he couldn't find an escape, his journey would end just as abruptly as it started.William was inches from death when a benevolent cultivator saved him from that fate. Seeing his pitiful state, the cultivator decided to give him an opportunity in the form of a tool: A system to guide him on the path of cultivation.William would use it to claw his way to the peak of the cultivation world.

Karsha, a general in the United States Army, was a loving father and husband who was accused of killing his wife and two children. As a result, he was sentenced to death. However, his life took a turn when a sinister being transmigrated his soul to a world of cultivation. He awakened as a slave and slowly rose through the ranks thanks to a strange system with its own agenda. He began walking the path of cultivation and immortality, which will soon drive him into a conspiracy so grand that his understanding of who he was, who he is, and who he is to become will be put into question.