My Dungeon Life: Rise of the Slave Harem - Chapter 1524

He Xingzhou knew about the invasion of the worm clan and the dangerous fate of the solar system. To resist the apocalyptic crisis, he stepped out to warn mankind!He Xingzhou shocked the world when he built a nuclear reactor and activated the genes of the worm clan on stream!Thus, under his plan, the entire country started building steel cities, massive mechs, spaceships, space castles...He Xingzhou said, “Let's set a small goal. Let's first build a Dyson sphere around the sun.”[Dark Technology] + [Engineering Upgrade] + [Solar System Exploration] + [Dyson Sphere Plan] + [Star Cluster]. All of these elements make up our latest sci-fi novel!

[Warning: This thing contains a bit too much bloodshed... so...]yes u saw the tags right, this is a mix of cultivation and tower so expect both the magic and cultivation in this.Villainous MC with a Personal system? if thats what u were looking for, you already got it!check the book out.-----Ye Tian was once just an ordinary human from Earth, living a mundane life. But fate had other plans for him.He was mysteriously transmigrated into the world of cultivation, a place where strength reigned supreme and power could shape reality. In this world, Ye Tian embarked on a dark path... the path of demons.After trillions of years of cultivation, he ascended to the pinnacle of power, becoming the Absolute Demon, feared and revered across the entire cosmos.His beauty was angelic, but beneath that flawless appearance lay the heart of a ruthless killer... a demon hidden in the guise of an angel.Countless races trembled at his name. He was a cold-blooded, merciless force of destruction, known for slaughtering without hesitation.Entire worlds were laid to waste at his feet. His cruelty knew no bounds, and his reign of terror spanned eons. Yet, for all his strength and dominance, there was no satisfaction.Ye Tian grew weary of the endless killing and ruling. Standing at the top, alone and bored, life had become empty... a never-ending cycle of bloodshed that no longer stirred his emotions.But everything changed one fateful day.In the blink of an eye, Ye Tian found himself back in his old body, back on Earth, as if the trillions of years he had spent cultivating were nothing more than a distant dream. However, this Earth was not the one he remembered. The world had changed.A giant Tower had appeared... like something out of the fictional fantasy stories he had read in his past life.And just as Ye Tian began to grasp this new world, a system window appeared before him...[Connecting to the Tower.]*****

[You can now choose three of the following seven options
1. Go back to five years ago with the present memory
2. Five centimeters taller
3. Seven million deposits
4. Appearance +50 points
5. A company with a market capitalization of 500 million
6. Proficient in a foreign language
7. Teaser live broadcast 10 million virtual coins]

Li Ang became angry after finishing the selection: choose every day, choose, choose, you will give it after the selection!
…
Fuck, it’s really shipped!

- 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