Apocalyptic Disaster: Upgrade the Underground Base Without Limit

From the start, he transmigrates to Earth's future, a post-apocalyptic world where transcendent beings from across the stars massacre the global population.

Carpet bombing with lightning, tornadoes wreaking havoc on a timer, glaciers, scorched earth, volcanoes, ** mutations... They kill every human.

Before Chen Ran is carpet-bombed by lightning, he obtains an underground base that can be upgraded and evolved without limit. Starting with a tiny underground base, he builds it up into a command center for a colossal army of Transformers, each carrying a nuclear missile on its shoulder.

Alloy Base → Spatial Base → Hyperdimensional Base → Eternal Base...

Rapid-fire machine guns → Beam anti-aircraft cannons → Faster-than-light missiles → Super nuclear bombs...

Miniature robots → Super Wall-E → Robot army → Transformers army...

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.