My Slayer System: Rise to Supremacy - Chapter 338: A Demon!

『I’m terribly sorry…』

A god was suddenly prostrating in front of Kayano Takumi. He was apparently killed by mistake. Moreover, he can’t be reborn again. However, he is able to live in a different world? Then, let’s do that, please. The god made a mistake again and transferred me into a dangerous forest. Seriously, what’s going on? Besides, there are children here. I can’t leave them here, I will take care of them.

A dangerous neon-lit city in a shattered post-war world.

The wilderness outside the city was wild and uncontrolled, the superhuman roamed beneath the cover of the night’s rain, xenomorphs prowled the streets.

Oligarchic company, extraordinary program, prosthetic limbs, spiritual network, street gangs.

Gu He only desire after transmigrating was to become a salted fish. But even if you wanted to, you couldn’t.

- Description from Novelupdates

Zavier met Cosmic Consciousness after his death. He was satisfied with every system that Cosmic Consciousness exhibited, so he wanted all of them. Surprisingly, the Cosmic Consciousness obliged him.

Zavier was reborn in an isekai full of magic and alchemy. Now, he had many routes to upgrade. Interestingly, to coordinate these systems, Cosmic Consciousness gave him the gift of being able to duplicate himself. He could clone a finite number of himself to manipulate these systems.

Magus, Alchemist, Mesmer, Tamer, Hunter, Vampire, Werewolf, Dragonknight, Necromancer.....

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By the way, it wouldn't appear NTR or some bullshit harem of courtships. MC of course will have harem but not for cliches.

"Magic is believing in yourself, if you can do that, you can make anything happen."

Ikaris, a genius student admired, exploited, and hated all his life for his brilliance, suddenly finds himself transmigrated into The Forsaken Lands, a fantasy world of myriad species born with the ability to use magic with imagination as their only limit.

Alas, this gift carries a curse. The more you use it, the closer you are to death.

After thousands of years of decline, the Free Races are fast approaching their demise, their survival threatened by this curse and an enemy that will not rest until it has devoured them all. Literally.

Former allies and enemies, prey and predators are now cornered behind a huge wall, forced to collaborate to resist their invader. But can so much resentment and hatred be washed away so easily? Can predators and prey really overcome their instincts in the face of a common foe?

Follow him on his journey from an ordinary human to a shining existence that will overturn the order established since the dawn of time. From an innocent soul to a merciless demon. From a human to something else.