Last King of Kings - Chapter 1: The King of kings

Violet skies, a world undergoing massive changes, a deficient moon, interlinking voids…
When the world experienced a cataclysmic event,the majority of living things ceased to exist. Although humanity survived by hiding in the last safe zones, humans had to face mutated dire beasts and colossal source beasts that could break through the space barrier and enter the earth at any second.
Luo Yunyang, a young man who grew up in those calamitous times, obtained an attribute regulator and set out to walk the path of supremacy!

- Description from novelupdates

Fu Hongxue was a cripple, born with a lame leg and subject to epileptic seizures. He was also one of the most powerful, legendary figures of the martial arts world, with a dull black saber that was second to none. His fame made him a frequent target of challengers, but whenever his saber left its sheath, only corpses would remain in its wake. One day, however, Fu Hongxue rescued someone whom he should have killed…and in doing so, set of a chain of events and a conspiracy that would rock the world.

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

Li Yuan was struggling at the bottom of society, however out of the blue a peach pit appeared. He did not know that at that moment, the peach pit will completely transform his life.

With this peach pit, Li Yuan not only strengthened his body, but also changed normal crops to rare highest quality items.

Henceforth Li Yuan started to manage a farm, established a ranch and bought a fishing ground. Not only did he become the number one crop supplier, but also possessed a land to govern, making him a genuine landlord.

He had leisure time to enjoy beautiful landscapes, pleasantly touring the mysterious world, tasting top-notch culinary cuisine, effortlessly chatting with females, this beautiful life is no longer a dream!

- Description from Novelupdates