Entertainment Life With A Camera - Chapter 164:

In the year 298 from the era of the gods, elementary school girls Sumi Washio, Sonoko Nogi, and Gin Minowa are tasked with an important mission. They are to become heroes and fight Vertex, a mysterious enemy that is attacking Shinju-sama, the god tree that protects Shikoku, the only area in the world that is still habitable. What they don’t know, is that this fight will cost them more than they could have ever imagined.

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.

This is a prosperous era. Rare herbs, minerals, treasure relics and monsters can be easily found throughout the land.

However, this is also an undeveloped era. Communications, traffic, martial arts and technology are in its early stage of development. Prosperous cities lack lighting while its citizens are uneducated.

Our decisive MC using his future knowledge creates Magic powered light bulbs, magic powered telephones, magic powered cannons, magic powered computers, artificial intelligence, psyche internet. 30,000 years worth of knowledge allows him to create miracles and shine brightly in this era. Allowing him to conquer the land and sit firmly on the throne of the 10 realms.

- Description from Novelupdates

After Jiang Cheng transmigrated to the Cultivation World, he discovered he had no talent for cultivation, but he was unexpectedly gifted in making talismans.……Buyer, “Jiang, I need some talismans for self-protection.”Jiang Cheng, “This Fireball Technique is perfect for you.”A few days later.Buyer, “Jiang, there’s something not quite right with this Fireball Technique?”Jiang Cheng, “Is there fire?”Buyer, “Indeed, it did catch fire.”Jiang Cheng, “And the ball?”Buyer, “I did see it.”Jiang Cheng, “Did it protect you?”Buyer, “It left me exposed.”Jiang Cheng, “???”Jiang Cheng, “Then you would like…”Buyer, “I would like to buy another hundred million of them!”

“I really feel like having one of those special macarons from the cafeteria today. You think you could get me one?”I sit diagonally behind the heroine in class. I’m basically her errand girl.“We are [friends] , after all.”…And I’m happy to do it.