Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 1 Chapter 6

A ring-shaped bio-computer produced in 3009 AD, traversing the space and time onto Du Cheng’s head, a powerful intelligent program let Du Cheng tapped into high-tech knowledge in the next millennium.

——Commerce, industry, science and technology, Du Cheng will be leading the way, developing high-tech from the future, and making himself invincible.

——From an illegitimate child who was driven out of the family to the economic leader, creating a business empire, Du Cheng’s future is the road to the ultimate glory.

- Description from Novelupdates

“With my knowledge, give me a fulcrum on which to place it and I shall move the world!”

…

Sorcerer Continent—a world where sorcerers exist. Wielders of arcane knowledge. Masters of all elements. Sovereigns of space and time. These sorcerers governed the world with their unrivalled prowess. One day, a young man awakened into this world with his past forgotten and no place to call home. Follow along as Glenn, by relying on his luck and wit, tries to survive and advance in this unforgiving world. Entangled within the machinations of fate, political schemes, power struggles and wars, he forges his own path and creates a place for himself.

- Description from Novelupdates

Because of an accident, Chen Fan obtained the power to possess an electric eel!

The Great Norther Wall. The Dragon Knights. The Lords of the Winter Mountains. The Descendants of the Primordial Dragon. These are the various titles of the Grand Ducal Clan Ragnar, which boasted a rich, thousand year history. Theo Ragnar resolved himself to aiming for the throne of that very same clan. ‘These cursed chains weren’t something I could slip out of. They were meant to be broken with strength.’