Blue Star Enterprises - Chapter 3-60

With the Goddess’ blessing, he became a 『Divine Knight』 and founded an Empire.
As time passed, he grows older, and by the time the heavens called for him to come, the Goddess showed before him, asking for his last wish.

He wished to be reincarnated in the future.
He dedicated all his life for his people, he had no time to master his own arts.
This time, he wishes to live for himself, forging his body to the utmost limit.

The Goddess complied with his wish.
In the far future, the King shall reincarnate as the 『daughter』 of a renowned Knight family.
And, under some circumstances, she is labeled as a failure of a Knight, however——

「How convenient. I can stand on the foremost line without needing any rank. No better training than actual combat!」

Thus, the legend of the world’s strongest, most beautiful Knight Disciple (♀) has begun—

Even after knowing what came next....I still accepted.A deal with the devil herself.A devil, in the form of a goddess.I accepted a life that I knew wouldn't end well, a life that was worse off than the very curel one I already lived.But I still choose to do it.I chose to become the villain.

Unite the Clans? Create an Empire?Atrox Soryu thought he was destined for greatness… until he wasn’t.Born into the smaller Soryu Clan, Atrox was a prodigy, praised for his unparalleled swordsmanship and relentless ambition. He vowed to become Emperor of the Eternal Skies, a title that hadn't been claimed in centuries. But on the day he was to manifest his Order Mark—the source of every knight’s power—everything went wrong.Instead of the revered Holy, Elemental, or Mystic Orders, Atrox was branded with a Forbidden Order: Something twisted and wrong. A death sentence in the eyes of the world. Branded a monster and exiled by his own father, Atrox was cast into a brutal labor camp where the weak are crushed, and the strong are barely tolerated.But exile isn’t the end—it’s the beginning. In the harshest of conditions, Atrox awakens the full potential of his forbidden powers, powers that could rival even the strongest Knights. He will forge alliances with the forgotten, turn his enemies into allies, and rise from the shadows to build an empire from nothing.Betrayed, exiled, and broken? No. Atrox Soryu is building an empire—and the Eternal Skies will bow to him.

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