Surviving in the Underground: A Hundredfold Increase

When they woke up, four billion people found themselves trapped in an endless underground world.

They could survive in the caverns only by constantly digging and gathering all kinds of materials.

Xu Chuan was one of the unfortunate souls caught up in it, but he awakened a hundredfold amplification System.

Amplify one liter of water a hundredfold! Get one hundred liters of water!

Amplify a tattered map a hundredfold! Get a perfect map!

Amplify an iron spear a hundredfold! Get a Heaven-Splitting Overlord Spear!

Amplify a gunpowder musket a hundredfold! Get...

While everyone else was still searching for food and water, struggling to stay alive,

Xu Chuan was already decked out in top-tier gear, soaring through the underground world.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.