MTL - Bourne: Command and Conquer - Chapter 46 , IQ

But things seem to be different from the history that he knows.In this strange land, ancient legends walk the earth. Here Witches, Manticores, Vampires, Werewolves, Sirens, Dragons and Krakens are all terrifyingly real.As if that weren’t enough, this is also the age of legendary rulers—Baldwin, Saladin, and Richard the Lionheart —each destined to shape history in a new wave of Crusades.Amidst bloodshed and glory, Lothar must use his only advantage—his Gacha System—to build his territory, summon legendary units, and carve out his legacy in a world where ambition reigns and power speaks.

Traversing into another world, Zhang Xuan finds himself becoming an honorable teacher.

Along with his transcension, a mysterious library appears in his mind.

As long as it is something he has seen, regardless of whether it is a human or an object, a book on its weaknesses will be automatically compiled in the library.

Thus, he becomes formidable.

“Emperor Zhuoyang, why do you detest wearing your underwear so much? As an emperor, can’t you pay a little more attention to your image?”

“Fairy Linglong, you can always look for me if you find yourself unable to sleep at night. I am skilled in lullabies!”

“And you, Demon Lord Qiankun! Can you cut down on the garlic? Are you trying to kill me with that stench?”

This is an incredible story about teachers and students, grooming and guiding the greatest experts in the world!

- Description from Novelupdates

I intervene in all events of the game. And take it away.

Zhou Donghuang, a man from the Earth, is able to destroy any planet in the universe without lifting a finger. His supreme will can sweep across the vast cosmos in the blink of an eye. And his immortal spirit can depart from his body and wander around the universe!