Jikuu Mahou de Isekai to Chikyuu wo Ittarikitari - Chapter 423 - Scars of disaster

The well-known and recognized throughout the Stern continent, strong and mighty, as well as the unique Wizard of magic cures, the most outstanding genius of the whole continent, Jason got into the flow of time, back in the uncivilized era during the first failed experiment, 3000 years ago. This was the period when the magic healers didn’t exist. How will Jason apply his knowledge in this backward era, wherever he reach the peak of glory?

- Description from Novelupdates

In the 21st century Earth gave Birth to greatest genius ever. A genius who Master myriad of arts. Medicine to Engineering. Mathematics to Micro Biology. Weapon Designing to Environmental control. Music to Painting. Dance to Martial arts. He mastered Everything.

Chen Yuan from Ping'an County Government had traveled through time, his mind harboring a Qi Fortune Altar.As long as he sacrificed Qi Fortune, he could obtain guidance from heaven, Divine Skills, Cultivation Techniques, evil arts, Heavenly Materials and Earthly Treasures...This world was populated by immortals, Buddhists, demons, as well as lofty temples and the distant Jianghu.There were three thousand Sword Immortals controlling swords across the sky, Buddhist Arhats who could lift the heavens with a single finger, and there was the Jianghu...It was the worst of times, it was the best of times.My name is Chen Yuan, from the Abyss!——————An author of decisive and swift action.

An advertising director is reborn in 1988 Hollywood as an eighteen-year-old blond-haired westerner named Eric Williams.

From then on, he starts writing movie scripts and television songs, becomes skilled in directing every kind of film, wins over all kinds of female celebrities, and takes the road to become a Hollywood legend.

- Description from Novelupdates