Awakening：The Infinite Evolution of My Talent as a Low-Level Awakener - Chapter 765: The Power of Identity!

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

Genius prodigy ​Ji Yu married the icy ​CEO Gu Yan out of gratitude, assuming their union was a temporary transaction. Wrong. While she breezed through their sham marriage, Gu Yan—her “husband-in-name-only”—quietly rewrote the rules.Post-divorce, Ji Yu thrives: clubbing with models, sipping champagne, and flaunting her freedom. ​Post-divorce, Gu Yan implodes: stalking her parties, hijacking her dates, and growling, “Try replacing me. I dare you.”But fate laughs at their feud. On the night their divorce is finalized, a reckless encounter ignites—hotter, messier, and utterly unforgettable. Now Gu Yan, the once-detached tycoon, is addicted to the wife he never truly let go.“Marry me again. Legally. Shamelessly. Forever.”“No. But thanks for the one-night souvenir, Mr. Ex.”

In a world where six once-allied nations now stand divided, the kingdom of Myralis, a symbol of self-sacrifice, has fallen into oblivion. Centuries after its mysterious downfall, Caelum, the last disciple of a forgotten deity, embarks on a perilous journey to restore his nation's honor.Guided by the enigmatic teachings of his vanished mentor and armed with the legendary Seal of Abnegation, Caelum must navigate treacherous politics and face champions from rival kingdoms in a deadly tournament that will decide the fate of the world.As ancient secrets resurface and alliances crumble, Caelum discovers that every truth hides a lie and every ally could become an enemy. His quest could either unite the Six Nations—or precipitate their destruction.Will he master his heritage and fulfill the prophecy that marks him as Myralis’s savior, or will his choices doom the world to chaos?

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.