MTL - Murdering Heaven Edge - Chapter 1900 Unknown most horrible

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

After crossing into another world, he became an impostor City Lord, with a domain spanning five hundred miles and a sister who was a national beauty.He also had to revitalize a family that was teetering on the brink of collapse. As a college junior, Lanling felt overwhelmed by the pressure.Endowed with the power of Yao Xing, he could directly devour others' cultivation and claim it as his own. And his sole mission in crossing into this other world was: to destroy it!From City Lord of Tianshui, to the queen's husband, to the World-Ending Demon Emperor, he eventually became the king of the entire world!…Note: I've been in the industry for 12 years, published over a hundred books, and this is my eighth book, all of which are completed. With previous works like 《Nine Yang Sword Saint》 and “Mech Battle Emperor” being bestsellers with tens of thousands of subscriptions, you can read with confidence.

Noah Black, a young man with an abusive father who had no opportunities in life, condemned to live a substandard life because of his father's mistakes.

Noah Black from the parallel universe, a marginalized, obese young man with social problems and a somewhat problematic but loving family, but who couldn't live long because of the mistakes he made.

When Noah 1's mind enters Noah 2's body with a Gamer System, the path to becoming the biggest superstar in this new world begins.

Is that body fat? I work out with the system and in a few days I have the perfect body!

Is my family poor? With my knowledge of my other world, I can make easy money!

Is this face ugly? With System I can look beautiful without plastic surgery!

Do I sing badly? In a few days, the System will transform my voice into the voice of an angel.

Do I act badly? In a few days, the System will make me an Oscar-worthy actor.

I can learn anything I want!

“Rising to the top was like a game, and now I have become the Final Boss of the entire world!” -Noah Black.

There was a woman. Born as an illegitimate child and raised under the strict control of the queen, her world was as small as a well.

There was a man. He was forced to marry a woman who was his brother’s political marriage partner. His world, which was infinitely wide, became smaller.

The woman’s original sin, and the man’s resentment. “I should have just died instead…”