Ihoujin, Dungeon ni Moguru - Chapter 124: Adventurers’ Intuition V

Crossing to One Piece world, he became Roger’s younger brother.

Earth Immortals are cultivated from a blessed land.

Heaven Immortals move to and from the divine mountains.

I have a stalk of plum blossom, and I shall plunder the Will of the Heavens with it!

- Description from Novelupdates

The world had changed when the System arrived, alongside the Cataclysm that filled the world with monsters. The technology was gone, replaced by classes and skills that allowed the people to fight back. When Devon ended up as a Blacksmith, a class that didn’t grant Intelligence, he had to face the reality, that his old career that he loved - mathematical sociologist - was over. Instead, he had ended up as yet another discarded member of the production class, overshadowed by the existence of the System Shops to the point of total marginalization. But, what if all he needed was to reapply his scientific thinking to the System...

Having been reincarnated, Shen Changqing became a member of the Great Qin's Demon-Subduing Division during an era infested with Demon Evils and rampant Strange Monsters—After slaying a Ghostly Level Fiend, his Pure Yang Technique reached Perfection!After slaying a Resentment Level Monster, his Heavenly Martial Gang Qi reached Perfection!After slaying a powerful Demon Evil, he broke through his own limits!After slaying—Years later, Shen Changqing became the Defender of the Human Clan, and all sorts of Demon Evils and Strange Monsters bowed their heads in submission!“As long as I live, the Human Clan shall not perish!”