I can rewind time to prevent death - Chapter 42 - 41 Peeking From the Crack in the Wall (Finale)

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

Su Li, an ordinary person who lived for 30 years, surviving on social welfare as a laid-back slacker.Occasional pointless complaining and self-defeating philosophical platitudes didn’t bring any meaning to his 30 years.Until he was transported to another world…Su Li, who had no elemental talent, Su Li, who was labeled as useless, lived an unremarkable life.One day, Su Li picked up a person in distress and told them: “The reason you think light is important is only because darkness pervades the world. When light fills the world, darkness will become important.”The Son of Light Saint who was betrayed by the Bishop of Light— He’s right!He is the sage who guides people forward, the signpost standing before the people, my faith, my everything!He is not a god, yet he far transcends gods.Su Li saved an injured mute bird. As birds sang outside the window, he told the bird: “The reason people like things that make beautiful sounds is only because they happen to understand that sound. Because of ignorance, there is no sin.”The Level 9 demon beast Raven, severely injured by the Mercenary Association:— All people are ignorant and foolish, thinking that ravens represent evil, even labeling me as a natural disaster. I hate humans the most, but he is the exception.If the world is what he wants, I too will aspire towards it.Su Li told his young friend who wanted to go to the big city to strive for success: “Moving upward is human instinct. If one day you fall due to reality, please don’t hate yourself.”The friend who eventually amassed enough gold coins to fill a city:I once thought that a child from a remote countryside would never understand everything I pursued. However, heaven blessed me, allowing me to witness true great wisdom…

He doesn’t just tame beasts—he conquers everything.Nothing is off-limits to Rex. Beasts. Humans. Gods. Artifacts. If it has a will, it belongs to him. He tames the untamable.“I’ll choose death over submission.”Foolish!“I’ll tame the soul—or devour you wholly.”Ding…[Taming {Primordial One's Soul} Successful]From the lowliest creatures to the most powerful gods, Rex's reach knows no bounds. His taming system grants him power over life, death, and even fate itself.No beast too mighty. No human too proud. No artifact too ancient.What if even the very consciousness of the world bows to him? Will he stop there or search for a bigger ground to dominate?---What to expect?- Overpowered MC- Fast to medium pacing of progression.- A fantasy world filled with diverse creatures and power system.- Join Rex and uncover the mysteries of this magical world!

Reborn in the cultivation world, Gu Feng becomes the most useless member in the history of his family!He creates the [Shared Flying Sword]!Establishes the [Immortal Sound Live Broadcast]!Initiates [Cave Heaven and Blessed Land Development]!Promotes the [Digitalization of Spirit Stones]!Founds [Qi Refining Local] and [Dao Companion Online]...In a world where people are the knife and he is the fish, he faces daily cunning schemes and crushes the arrogant geniuses!Cultivation starts from squandering... Gu Feng forges an entirely different path in the world of cultivation...