Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 168

Earth Immortals are cultivated from a blessed land.

Heaven Immortals move to and from the divine mountains.

I have a stalk of plum blossom, and I shall plunder the Will of the Heavens with it!

- Description from Novelupdates

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

On the final night of his mother's life, young Synoh makes a solemn promise—to become a great general of the kingdom and honor her legacy. But after her death, grief overwhelms him, and he flees deep into the forest, where a chance encounter with a mysterious wolf changes his fate forever.Guided by the wolf's presence, Synoh returns home, finding renewed purpose under his father's strict training. Over time, he forms an unbreakable bond with the enigmatic wolf, but destiny separates them as Synoh embarks on a perilous journey to fulfill his promise.Facing fierce battles, political schemes, and inner doubts, Synoh must prove his worth to himself and the kingdom. Can he overcome the trials that stand in his way? And will fate one day reunite him with the wolf who first guided him back to his path?A tale of courage, loyalty, and destiny unfolds in this gripping story of a boy's journey to greatness.Hi this is the author,I hope you guys likes this story and thanks.

After transmigrating, Chen Yu found himself in a highly militarized world. But the “will of the world” had concluded that he was an intruder and put a curse on him.