Eternal Villain: I can enslave Reality! - Chapter 180 : Rebel

In a world where cruelty reigns and only the ruthless survive, Arthur—a boy born in the gutters of a city ruled by monsters—knows only one truth: power decides fate. Shackled by the past, driven by vengeance, and desperate to carve his own path, he plunges into a brutal struggle for dominance. But as blood stains his hands and the lines between man and beast blur, Arthur stumbles upon something far more dangerous than war—fragments of a life he was never meant to have. A name. A home. A reason to fight beyond survival.But is survival enough, or will he become the very thing he swore to destroy?

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

A phrase about his merits startling the Emperor, it led the Invincible God General to become a prisoner at the feet of others.A phrase about his origins as a commoner turned a vow as steady as mountains and as deep as seas into something less than a beast.He was once the greatest general of all time in the Great Shang Dynasty, celebrated for quelling the disturbances of the Seven Countries. Yet, during the victory banquet, he was framed by the Emperor of Great Shang and his beloved Ninth Princess. They destroyed his Dantian, crippled his meridians, and exiled him to the frontiers.In his icy and hopeless heart, he received meticulous care from his newlywed wife and unexpectedly unlocked the Ten Thousand Beasts Sky Prison, becoming the Master of Ten Thousand Beasts.He resumed his training in Martial Arts, and the wild beasts were unleashed!

Betrayed and left for dead, Richard Blackwood—formerly known as the world renowned hero Astralis—awakens a decade later to find the world has moved on, and an imposter now wears his mantle. Disguised as a rookie in the Mage Guild, he quietly hunts for answers.'If my little sister is levelled above me, then what about everyone else? How much stronger have the bastards who betrayed me grown while I was dead?'Richard must grow stronger once again, and rise much higher than the S-Rank.'What the fuck? I almost die, and I get a power up?'Not harem.