MTL - Wasteland Commander - Chapter 24 friend's house

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!

I cut from south to north,

I cut from white to black,

I will cut down the thousand mountains and the ten thousand waters,

I want the world to know who I am!

I am Gu Zhan,

Gu Zhan who wants the whole world to surrender!

- Description from novelbuddy

Feng Chen, the esteemed head of the Feng Clan, had lived a peaceful life for thirty years since his transmigration. He believed his life would continue as it is—until his 30th birthday, when his System finally arrived!But along with that came the plot for the Main Character.Ling Meiyu: “I can no longer be engaged to Feng Yun. His cultivation is low, and he is unworthy of my Ling family’s status!”Feng Yun: “Today, it’s not you, Ling Meiyu, withdrawing from the engagement. It’s me, Feng Yun, repudiating you! I am divorcing you today!”It seems like my brother is the protagonist!

Humanity’s first 8th Class Mage.

Betrayed, he traveled back 30 years into the past.

The story follows Ian Page, archmage and the first man to break through the 6th class, then through the 7th and become the most powerful mage, an 8th class mage.

After a lifetime of war and killing, the continent was finally unified thanks to his efforts. Now, old, his wish is to live the rest of his life in peace and try to find salvation for all the blood he spilled. However, his old friend, maddened by paranoia, couldn’t tolerate someone so powerful, so he betrayed Ian and killed him.

In his last breath, he cast a time magic that allowed him to travel back to when he was a young boy. With all the knowledge he previously had, he decided to do things better so he could end with less regrets.