Fairy Tail Destiny - Chapter 31: Ch : The King’s Return

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

Ethan Millers was just an ordinary man with an ordinary job — until one unplanned act reset his karma to zero. In a universe built on balance, this was not a miracle... it was an error.Erased from the world, Ethan awakens in a place without time or space — the No-Where. With nothing but his thoughts, he spirals into madness, invention, and eventually, creation itself.He imagines powers, technologies, divine systems, and worlds beyond comprehension — until the void bends to his will.Now, known as Zane Creed, the strongest existence in the cosmos, he descends into a new world with overwhelming knowledge and unimaginable power.And what does he choose to do with it?Become a teacher.After all, what better way to reshape a world… than to teach it?

Jiang Hao transmigrated and was born into an ordinary family and was forcibly sold into the demonic sect, becoming a disciple of the demonic sect.He wanted to calmly cultivate and gradually become stronger in order to survive in the world of cultivation.However, he was subjected to all sorts of humiliations by a female demon.With a vast difference in strength, he could only endure the humiliation and sneakily survive, keeping his weapons hidden and strike when the opportunity arises.

Upon awakening, Lu Xuan found himself as an ordinary spirit plant cultivator, tending to an acre of land merely scraping by in the realm of cultivation.Fortunately, he stumbled upon an unexpected revelation: with each maturing spiritual plant, he received additional rewards.Harvesting a The Firefly Grass yielded a Golden Sword Technique.From the Blood-Devouring Vine, he obtained a Purification Talisman.And the Phantom Spring Flower gifted him a prescription for the elusive Luminous Flame Pill.Henceforth, he contentedly tended to his own spiritual fields, observing the tumultuous tides and shifts in the world of cultivation.“Duels and clashes, expeditions into secret realms, immortal fortunes, obtaining mystical treasures… None of it concerns me!”“I simply wish for peace and quiet to tend to my fields.”