The Immortal Warlock - Chapter 1: Rebirth [I]

Miguel transmigrated into the Wild Beast World in the body of a useless teen with the same name as himself after he was betrayed by his disciple, the Harem Emperor, for a knowledge and universal secret that he recently uncovered.In the Wild Beast World, humans could contract Wild Beasts through their Summoning Grimoire, a mysterious book that fated individuals can awaken at the age of 18.In this world of summons and beasts, Miguel awakened with the Beauty Sign-In System, which allowed him to contract legendary beauties as long as he signed in at a specific location.On his first sign-in, he received the Holy Daughter of the Red Family, the Fiery Empress of Legend.Using the Wild Beast World and the Sign-in System as a starting point, Miguel swore to return to the Immortal Cultivation World and settle scores with the Harem Emperor once and for all.Follow Miguel's journey as he reaches for the apex, becoming a legendary figure in all worlds.

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Global mutation brings the game to reality, and humans enter the era of universal job transfer!Damien Blackwell starts out as a standard villain, born into an ambitious villain family, willing to do anything to achieve his goals, even if it means subverting the entire empire!He begins by hunting down the Child of Fortune, ruining his future, cheating on his beloved, killing his parents, and forging a blood feud.The Child of Fortune swears to take revenge!But Damien Blackwell doesn't care at all.Who says that villains will eventually be defeated by justice?Who says that villains must inevitably become stepping stones for the Child of Fortune?In this life, Damien Blackwell plans to step on the bones of the Child of Fortune as a villain, climbing step by step to the top to become the ultimate supreme!He aims to craft a perfect villainous life.