Genius Warlock - Chapter 7

“A modern online novel writer who had been struggling finds themselves transported into the world of One Piece, becoming a 10-year-old child.After a series of events, Ryuen arrives at Cocoyasi Village. The protagonist possesses the Tori Tori no Mi (Bird-Bird Fruit), Mythical Zoan type, Phoenix form.After undergoing a rebirth (Nirvana), the protagonist's transformation no longer involves turning their hands into wings, and the fruit's power becomes even stronger!From the moment they reach Cocoyasi Village, the protagonist and Nami embark on an adventure, traveling from island to island, indulging in food, drink, and fun. Along the way, they also help the poor by taking from the rich, because, after all, Bellmere’s family is still...”

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

[#Warning Yandere]Arthur, a 24-year-old man, was living his life normally on Earth, but until one day, on one of the most important days of his life, he died under some unexpected circumstances.But this was not the end as Arthur had expected, as he was reincarnated in the body of a 17-year-old handsome young man. However, the world he was reincarnated into was not a normal one, as things like magic, which he had read about in novels and manga, were common in this world.Yet this was not the most surprising thing he found out, as the people living in this world had reverse gender morality.Arthur didn't get a cheat like those protagonists in the novels he had read. However, due to his greedy personality, he unexpectedly found himself as the owner of one of the greatest treasures of the cosmos, which didn’t tell him anything other than showing a strange riddle.[You have become the owner of Ethelarion Replisis][Name: Arthur]#Ability: I am the shadow that walks with you,Not quite the same but near and true.Half the strength but have many faces,Absorb me to reclaim your grace.Five years ago, when Mana first came to this world through a portal that opened due to foolish nuclear testing by some power-hungry country, but that was not the only thing that came as terrifying monsters also arrived with it.On the brink of their last hope being lost, by some miracle, another portal opened, through which a single female elf came, who wiped out these terrifying monsters in only half an hour. However, it didn’t stop there, as now Elves rule the magical Earth, and against absolute power, no one stood against her.___________#No NTR#No Yuri