Destroying My Own Novel - Chapter 522 521: Demon King Behemoth.

[Mature Content]Arabella Donovan sacrificed her youth solely for her husband. However, he divorced her because she could not bear children for him, causing her great pain.Bella decided to disappear from his life.Five years later, she returned to the country with her adorable son.Her peaceful life started to get disturbed when her ex-husband chased her back the moment he found out she was giving birth to his son.But now, she wasn't the same Bella she used to be. She is an entirely different person.*****“Boss, she's back!”“Who?” Tristan Sinclair asked while scribbling his signature across stacks of papers.“Your wife—” The assistant hesitated, watching Tristan closely. When he saw Tristan's furrowed brows, he corrected himself. “Sorry, I mean your ex-wife, Ms. Donovan. She's returned with a boy...”Tristan sighed, eyeing the contract before him. After five years of searching, only to find out she's moved on, it feels hurt. But he couldn't avoid it. She deserves happiness with someone else. He'll take this loss. “She deserves a new husband...” Tristan muttered, dismissing his assistant.“Boss, what I meant was the cute little boy. I think he's around four years old—”Tristan snapped. His head up, fixing his sharp gaze on his assistant.“I need you to arrange a DNA test for the kid. And get me her address!”A glimmer appeared in his eyes as a smile slowly spread across his face.

In 1930s Canada, a 16-year-old landlord unlocks a System unlike anything this world has seen—a power that lets him grant supernatural abilities drawn from warriors of another realm. Barbarians, Archers, Wizards… all under his command.

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

The protagonist is reborn in the world of the game he loved so much – [Dungeon Brave Souls]. However, he was reborn not as a hero who adventures with the heroine while flirting with her, but as a villain who steals the heroine and drives the world to extinction.

Why in the world should he be reborn as a villain who ruined his favorite game? The protagonist is in despair, but he still decides to live his second life freely, using his knowledge of the game. However, the reality is not as good as he expected. Events that should not have happened in the game, scenario changes happen one after another…!

The villainous character crushes both the demon king and the heroes. A heroic tale of evil supremacy!