The Demon Lord Is An Angel - Chapter 4: (M)Age Thirteen

A college student was returning home after studying abroad for several years when the end of the world happened. A dragon appeared out of nowhere and attacked the plane he was in, thanks to an incredible amount of luck and his quick-thinking, he managed to survive the plane crash only to get stuck on a tropical island. A weird system took over the world and brought monsters to Earth. While nations collapsed and the world as a whole was being destroyed by ridiculous monsters, Leon was stuck on a godforsaken island with no chances of being rescued. What will happen to him? How will the world change while he is away? Will he even manage to return? The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.

Master martial artists were beings that no one can obstruct. A martial arts expert has been reborn into the body of a genius whose cultivation has been abolished and has been abandoned by a woman. Therefore, he starts cultivating the art of Xing Yi Quan, producing a solar system within his dantian. His innate talent tramples over all the geniuses, and even the geniuses among geniuses.

His powerful spirit and ruthless and ambitious nature, no matter who he is reborn into, will never change! Slaughter is instinctive, being cold-blooded is his personality, exterminating an entire family is only a means towards a goal, cruelty means infamy, and chasing after women… is just an interest.

- Description from Novelupdates

Reincarnated as the eldest son of Ming Taizu Zhu Yuanzhang, the biological father of Emperor Jianwen, and the elder brother of Ming Chengzu Zhu Di.

See how Yiwen Prince Zhu Biao, who was fleeting like a meteor in history, survived the turbulent Hongwu years and built a new Ming Dynasty!

(No system, no plug-ins, no IQ crushing, no cross-age technology tree)

- Description from novelbuddy

In the territory of Zhao State, there are Liuxuanmen of the martial arts sect of Jianghu.

Su Yu became a handyman disciple who was just getting started.

Having obtained the sign-in system, he signs in at different places every day, and there will be various rewards.

Sign in at the center of the training ground and get the reward [Jiuyang Zhenjing]!

Sign in on the cliff near the residence of the handyman disciple and get the reward [Millennium Snow Lotus]!

Sign in in front of the sect library and get the reward [Lingbo Weibu]!

…

In this way, it was not until decades later that Su Yu discovered that he seemed to have surpassed the peak of martial arts and reached the level of cultivating immortals before he knew it…

Ninety-eight years later, a martial arts devil who was born out of nowhere made waves in the territory of Zhao, and no one in the martial arts world was his opponent.

Until this day, the martial arts devil killed Liuxuanmen and met Su Yu who was sitting outside the library, basking in the sun on a rocking chair…

- Description from novelbuddy