Naruto System in One Piece - Chapter 28: Defeating the Lieutenant Commander of the Marine Headquarters

Feng Yun was an ordinary young man who was unable to cultivate. One day, He got the inheritance of the Ancient Yang Demon Clan and a mysterious sword. With these he became a super genius and started his new journey from a small town to heaven, sweeping across the world, vying for the supreme existence.

Earth is dying. The sun is expanding at an uncontrollable rate, but Theo Spencer is alright with this. He's led a deplorable life. When the end comes, a mysterious entity grants him the gift of reincarnation. The gift of a quiet life as an alchemist.

Theo awakens in a small town in the southern reaches of a small kingdom in a non-human body. Broken Tusk doesn't seem like much, but his legendary alchemy skills will soon turn their fortune.

Join Theo on his journey to turn the swamp-town of Broken Tusk into a prosperous trade town.

Bai Chuan has a particularly powerful ability, he can take apart everything in the world as a model and choose the best ability structure to give to himself.

If he was born in a mythical world, given him a period of time, he would be able to overthrow the heavens and the world, become an immortal and become an ancestor.

If he was born in a world with extraordinary monsters and beasts, given him a period of time, he could also become the strongest beast, called invincible and immortal.

It’s a pity…he was born in an ordinary world of low martial arts.

“The water in this world is too shallow to raise real dragons…” He looked at the sky and muttered to himself.

Since real dragons cannot be raised in shallow water, wouldn’t it be better to make the pond deeper?

- Description from novelbuddy

Raised as nothing more than a weapon, Xin Long was kidnapped and forged into a killer — his freedom severed, his name reduced to a whisper. In a world where trust is a death wish and mercy is a myth, he treads a path of blood and betrayal, outwitting ruthless foes and surviving inhuman trials. Yet, the deeper he delves into the shadows of Jianghu, the more he unravels a web of dark secrets that bind the martial world.Step into the dark side of Jianghu and witness the so-called Forgotten Tale — a story never meant to be told...