Anime: I Want Harem - Chapter 37

Your meridians cannot be cultivated? It’s ok! There are Crazy Leveling System, do missions, kill monsters, swallow other people’s spiritual power, make pills or forge weapon, participate in big battle, you can gain experience!

The Ancient Fiend Dragon Emperor, Su Han, had once governed the holy realm and held sway for a whole century as the most powerful man of the entire galaxy!However, after his death from berserk Qi deviation due to merging different cultivation levels, his men mutinied, his lover fell into a deep sleep, and his best friend became a fugitive!Now, after being reincarnated, Su Han will surely make a comeback and turn things around, killing everyone that had once betrayed him!!!

This story is centered around the man named Yi Ji-Hyuk, who has spent 1000 years in a Medieval Western fantasy-like world before returning back to the modern-day Earth. When he returns, he finds that his home is facing monster threats, and that humans with superpowers have appeared to protect the innocent people of Earth.

Who, in the ancient mythology, held an artifact and killed the first emperor of the human race?

Who, at the beginning of ancient times, closed the gate of the God Realm, Jedi Tiantong?

Who set a lifespan limit of only one hundred and thirty years for the people, and even the Great Emperor was not spared?

Who, turned into a black hand that covers the sky for eternity, shrouded the world?

…

Yang Shou on Earth: “Yes, yes, I did it all, I just want to live.”

- Description from novelbuddy