moone_heroall

"Apocalypse in three minutes?" What should I do stuck in this dilapidated van in the middle of the city center? No worries! Infinite Modification System activated! [Ding! Successful modification of the dilapidated van, acquired one LV1 armored vehicle!] [Ding! Successful modification of the abandoned base, acquired one steel fortress!] [Ding! Successful modification of the exoskeleton armor! Acquired one Unicorn Gundam!] Transport plane? Cargo ship? Firearms? Ammunition? All modified!

Solar flares erupt, massive meteorites descend, and a great catastrophe is imminent, reminiscent of the Ice Age and the extinction of dinosaurs. Sam crosses over to this world, immediately confronting the apocalypse! Fortunately, he obtains the Infinite Shelter Upgrade System, activating his exclusive shelter system that can be upgraded infinitely! Iron door → Sandwiched door → Alloy gate → Laser passage... Crossbow port → Small-caliber machine gun → Large-caliber machine gun → Thunderstorm machine gun → Laser cannon... Radiation-resistant suit → Exoskeleton armor → Mechanical armor → Small-scale mech → Giant mech... Crossbow manufacturing station → Firearms workstation → Arsenal...