The Runesmith - Chapter 236: Checkup.

“Send me to the past.” That’s how the first step toward revenge began.

Living things really are ignorant – the greed to obtain the key to knowledge and the fundamentals of energy overpowers them. Little do they know that knowledge is full of lies and energy is the root of destruction. Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.

-Mage Adam

An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.

Hello, my name is Bologue Lazarus, a debtor.The wound on Bologue's face is healing at an observable speed. The blood remaining on his face flows back, and the skin is reattached, as if time is reversing.Faced with the terrified dying demon, he whispered.This is my “blessing”, the “debt” I owe.Sixty-six years ago, with the end of the Scorched Earth Fury, Opus of Oath City rose from the ruins of the Holy City.Sixty-six years later, the Kagader Empire and Rhine Alliance, two colossal entities spanning the continent, are plotting another all-consuming war.Order Bureau, King's Secret Sword, Order of Truth, Corrupted Sect, All Secrets Order... existences hidden in the shadows of history, trying to join this grand celebration.Under the curtain, the devils enjoy the agony of mortals, taste the values offered, manipulate fate, and bestow curses and blessings.Gazing at the mortals who were originally kindred spirits, they loathe and slaughter each other...

If it was me, I wouldn’t date a professional gamer. If I had that kind of patience, then I might as well use it to get into Tsinghua University or Beijing University.

- Description from Novelupdates