In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 82:

He was the continent’s strongest and most revered alchemist, Ye Zifeng. He was under one person and above millions. However, due to an unpredictable event, he had died. After his rebirth, he had become the supertrash of the Ye family and suffered disgrace. To make matters worse, he had an argument with his fiancé that led to the break off of his engagement. In this second life, he will work to change his own destiny. He vows to return to the peak of the world, trample on those who laughed at him and rewrite his legacy!

- Description from Novelupdates

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.

Overnight, Tangning became a big slave owner in the southern United States with three large plantations and hundreds of black slaves who could be driven at will.

Tangning was very satisfied with the result of such a time-travel, but then he sadly discovered that he could only enjoy three years of such a good life, because three years later would be the “Civil War”, what should he do after this?

- Description from novelbuddy

Ye Feng had mutated, his body can obtain the corresponding superpower according to the information he heard!

His deskmate, Wang Qiang: “If only I had an expert hacker as a friend, that’ll be great!”

Computer amateur Ye Feng immediately turned into an expert hacker. Anywhere with the Internet was his territory!

Wang Qiang: “Brother Feng, do you want to learn martial arts?”

The moment he said that, Ye Feng had a burst of strength and became a martial arts grandmaster! Girlfriend: “Ye Feng, do you know how to drive?”

Ye Feng was about to say ‘no’ but in the end, countless pieces of information flooded his mind and he immediately became a veteran driver! …

“Please stop talking, everyone!”

In less than a year, Ye Feng was omnipotent. He had a look of distress, feeling like he’s not even a human being but an omnipotent almighty expert!

This book is also called “Am I really a human being”, “I really don’t want to be omnipotent” and “Why is it so hard to not be an expert ah”…