Dominion's End - Volume 3, Chapter 4: The Laboratory, Part One

Vice betrayed by his friend's, used as pawn to escape the jaws of an SSS-Rank monster.Then life decides to give him a second chance but this chance is not a reward, it's punishment.He now lives the rest his days as a rodent, the only thing that drives him is vengeance at all cost he'll have it, even if he must face the whole world to have it.

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Leo died like an idiot and got a second chance in a world that doesn't tolerate idiots. Dropped onto forbidden Oni territory, he's forced into a death hunt where survival should be impossible, but his body adapts through violence, pain, and sheer refusal to stay dead.One brutal victory earns him gold, status, and the attention of Iori, a warrior prodigy who's never tasted defeat. Now, traveling a continent where strength is law and gods play with mortals like pieces on a board.Leo faces a simple question: how strong can you become when dying just makes you harder to kill?

This is the story of a young boy who steps into the world of immortals.If you love Fantasy and cultivation novels, then you can give it a shot.It will be slow paced in start, but I will try my best to not make it too slow, that it might become unbearable to read.The main character (MC) will be a lone individual, avoiding excessive social interactions, including friendships.This is my first novel, so please forgive any errors. I will do my best to make it as error-free as possible.Do remind me in the comments for any errors.