Reincarnator

Reincarnator, also known as Hwan Saeng Jwa or 환생좌, is a Korean web novel that delves into a fantastical world where humanity faces off against various races and monsters in the Abyss. After humanity's failure, a group of survivors selects one individual to travel back in time in a final attempt to alter their fate. The novel encompasses a blend of action, adventure, fantasy, horror, mature themes, mystery, psychological elements, sci-fi concepts, and supernatural occurrences, creating a gripping narrative filled with twists and turns.