MTL - All Things Wrong (Retrograde Gaming) - Chapter 3148 Winning and losing

The first prodigal of the Mu family has returned from rebirth, changing the very colors of heaven and earth, rewriting the entire world.Possessing divine treasures and magical weapons, she is all-powerful. With debts of vengeance to settle and debts of gratitude to repay! Whether to walk sideways or upright, the posture is a free choice!Reborn with a divine artifact, she possesses foresight, attracting good fortune and avoiding disaster, earning her the title of the greatest diviner!The greatest diviner, with the swirling changes of the world in her palm. However, upon encountering that person, she is unable to control her own heart.“You calculate the heavens and the earth, but have you ever calculated my feelings for you?” A smile blooms on that person's handsome face, as if a deity has descended.The Mu family's prodigal son, reborn and overturning chaos. Only when he stands at the pinnacle do people realize this isn't the prodigal son, but the breathtakingly beautiful young lady! Many young talents beat their chests in regret, having missed the best opportunity to win the lady's favor.Yet that person smirks arrogantly, indulging in a tender kiss on her forehead: “Thank you for being blind to her worth, otherwise, how could I have such a beauty in my embrace?”

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!

The mountain village boy accidentally got the fairy gourd, and he rose step by step to cultivate immortality and longevity.

Ripe elixir, mortal flow.

- Description from novelbuddy

How long will it take for a murdered thief to distill into something monstrous? In this story the darkness only grows stronger, and its reach only grows wider as it expands by devouring the life that surrounds it. This is a dark fantasy where evil is a where, not just a who that focuses on slow progression, undeath, and atmospheric storytelling.