MTL - The Big Boss Behind Hogwarts - Chapter 21 Does this kind of senior hurt her so much?

Li Yi accidentally obtained a black science and technology library, which contains countless books of the inheritance of high-tech civilization and records countless knowledge.

There are thousands of bells in the book, there is a golden house in the book, there are many horses in the book, and there are Yan Ruyu in the book.

Li Yi has completely turned into a bookworm, learning all kinds of knowledge from the library, grand unified theory, particle Tebo theory, …, acquiring various black technologies, superconducting materials, super batteries, intelligent algorithms, … .

- Description from novelbuddy

In the grand weekend year, demons cause chaos, and people cannot live peacefully.Han Zheng, carrying the game setting he designed [Taotie Furnace], travels to this world. By sacrificing to the furnace, one can break through martial arts techniques.From [White Ape Extended Arm Fist] to [Ape Demon Nine Transformations].From [Vajra Fist] to [Great Vajra Ming King Seal] and then to [Great Mighty Dragon Bodhisattva View].From [True Martial Refinement] to [True Martial Holy Body] and then to [True Martial Indestructible Body]There are no gods in the world, hence demons run rampant, and evil spirits are everywhere.As Han Zheng kills his way through the chaotic world of demons, looking back, he has become the only true god in this world!

(Third Person Limited PoV.)Betrayed by his fiancée, mocked by his siblings, and disowned by his family—that was Lev’s fate.Even when he regained memories of his life on Earth, where he realized that his world was strikingly similar to his favorite novel, it still didn’t help him change anything.How could it be?Because the protagonist of the story had already achieved his happy ending—gaining a beautiful wife and living a blissful life. Meanwhile, the world continued to move forward.What do people usually do with a novel that has ended? They tend to stop caring about the world within it, even if it falls into ruin, especially if the novel isn’t particularly popular.The world Lev Razanov lived in shared a similar fate—it was destroyed.[Hero’s System successfully installed.][Critical condition detected.][Do you wish to return to the past?]Lev was given a chance to return to a time when the story of his favorite novel had just begun.Although he was destined to become an extra villain—a pawn of the pawns serving the real villain, he vowed to end the lives of anyone who had caused him suffering: his siblings, his fiancée, the main character, or anyone else.[Hero’s System inherits your desire from your life on Earth—the desire to do good.]“Who said killing your enemies is an evil act?”

Because of his own carelessness, Duanmuhuai crossed into the world of the game “Xinghai OL”. Starting from a small core cabin, Duanmuhuai crossed the galaxy, traveled to countless worlds, awakened the power that had long been dormant, and fought against the hidden depths of the universe. The threat to dominate the galaxy!

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- Description from novelbuddy