God's Left Hand - Book 1 — Chapter 9

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Terrorized by the Seed Crystal Virus outbreak, the dimension where Stein was created had its civilization destroyed. Once a world developed with technology as its core, now it was just a wilderness with remnants of tech that’s inedible.

Unknown if it was a call of good or bad luck, Zhang Qin Feng was chosen as the one to bring life back to this lawless, desolated place.

What can he do?

How can it be done?

For what purposes?

Is it worth risking his life for?

There’s no one to answer Zhang Qin Feng, as he was the only one with such a privilege. But he knew... That everything came with a price.

“STEIN, Inventory!” Zhang Qin Feng grabbed the Phalanx X-02 that took four inventory spaces from his Dimensional Storage. Holding the pistol with both of his hands, he fired a shot accurately at one of the incoming zombie's head.

This is a world where science and magic coexist.

Some people here seek powerful magic, and some seek eternal truth.

A science tyrant who came from another world, started as a little librarian, with magic in his left hand and truth in his right, kicking the door of the new century with one kick.

Some people call him the forerunner of magic, some say he is the founder of science.

Some people describe him that way.

In the new century, Blair is a symbol of evil.

- Description from novelbuddy

This novel is also known as Oh My God! Earthlings are Insane!

Fifty years ago, the Dragon City traversed, the iron-blooded lone army, held high the flag of earth civilization, and faced the terror terror of the outside world.

Fifty years later, Meng Chao was born again and found that he could become stronger by making contributions.

Meng Chao vowed that at the beginning, he simply wanted to make a small contribution to this society, but he didn’t expect that he would turn the earth into… punching monsters, stepping on demons, tearing ancient gods, suppressing the alien world, conquering the stars, this It’s too fierce!

- Description from Qidian