As Sukuna in Invincible - Chapter 23: Jealousy

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

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

Well-versed in both exorcising evil spirits and stabilizing homes, and expert in geomancy and divination.In the modern city where the practice of magic is not prominent, many believe that Chen Haitian is a genius with a rare talent for cultivation, one in ten thousand.However, only he knows that all his skills are self-taught through trial and error...

Lin Xiao was an orphan who strived to get stronger while living with his sickly younger brother in an unnamed small village.