Shadow of the Abyss - Chapter 266: Zagreus Past

Mira is determined to be a botanist—no matter how dangerous or violent it may become. Mira made two requests upon entering the multiverse: a botany class to further her research and to be dropped off in an isolated forest far from the violent god-rearing system BS going on. She was granted both—but not in the way she expected. The system abandoned her in a hellishly dangerous forest—where she earned a rare class that excelled at killing things.

September 9th, 2023. A large black sphere manifested in the skies above all across the world.

No one knows how it happened or the underlying causes of it, but one thing is certain: it marked the beginning of the end.

One by one, human's began to awaken supernatural abilities, a new source of energy had come into existence on earth.

People's bodies became catalysts for this newly discovered energy, especially those who awoke these abilities.

Unfortunately for the Human's, it wasn't just their faction which was awakening these abilities.

The Vampires to awakened. Feeling threatened by the new power that the humans would have whilst also feeling confident in the new strengths of their own... The vampire's decided to wage war on the humans.

Our protagonist, Xavier Trigger, a young college student, was one of the many civilians who were caught in the middle of this war completely unaware of what was going on.

[You have died.]

An inexplainable notification message occupied the entirety of “MC's” vision

[Skill: Rewind has activated.]

'What's... Happening to me...?'

[Level 1: Return.]

“Hah... Hah... Hah...” He panted heavily as his eyes drifted open.

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.