Academy’s Genius Swordmaster - Chapter 315

One day, when a novelist woke up from a restless sleep,he realized that he had transformed into his 12-year-old self.

A small immortal clan, with the efforts of the ancestors of the past dynasties, slowly developed into an immortal clan. This is the history of the development and growth of a small family. During this period, there were ups and downs, and there were also struggles for power and profit.

- Description from novelbuddy

The youngest Wiseman of the continent, Chu Tian, has traveled 30,000 years back in time to the age of antiquity due to an accident.

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates