Demon Hunter (Teramachi Akeho) - Chapter 32

In a modern world, a professional assassin was murdered by her beloved and found herself revived in an ancient world as a general’s daughter with a weak physique. She was engaged to a prince, but because she did not have a nice appearance, her fiancé and sister attempted to kill her. Although she had to struggle to survive, there were also those who unconditionally loves her that supported her in her time of need.

HE WAS SUPPOSED TO AWAKEN A POWER. INSTEAD, HE AWAKENED NOTHING.Louis Lee is the son of two legendary Earth Defenders, but when the superpower evaluation test reveals that he's powerless, his world crumbles. Mocked, abandoned, and broken, Louis becomes a target in a world where strength is everything.But fate has other plans.When a devastating alien invasion shatters the city, Louis is abducted by the same monsters that once killed his parents.Subjected to a brutal experiment, Louis is implanted with a living alien core, a weapon to annihilate humanity at once but instead the core grants him incredible powers making him, half human and half monster.But now, Louis is Earth's only hope of defeating the invaders, but the more he uses the core, the more it mutates him, transforming him into something far more scary.

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

What kind of experience is it to be a true spiritual genius, transmigrating to become the ‘king’ of the Immortal Demon Great Qin?

Qualification is supreme, and any technique can be mastered quickly. The so-called barrier of practice cannot hinder his breakthrough at all!

Or add luck and become the real master of the plane.

Is it to gather the copper of Kyushu, cast twelve bronze figures, hold the souls of millions of Qin warriors, swept across Liuhe, and conquered the world, or the three worlds of warriors?

Rare birds and beasts, a world where demons are rampant, a combination of local myths and legends.

PS: It is not a hegemony text of the war system, the first choice for the extreme genius stream

- Description from novelbuddy