Apocalypse Rebirth: Building the Ultimate Fortress

(Apocalypse rebirth + space powers + multiple heroines + space ability + lightning ability + building a faction + a younger brother with a System) Nie Tian, one of the Four War Gods of the apocalypse, was poisoned and killed after being betrayed by his subordinate. Yet this brought him back to seven days before the apocalypse, reborn with his abilities... Haha, I didn't die! Heaven really hasn't forsaken me. I've actually been given another chance... Little bro, what did you say? You have a System? As long as you have enough precious metals, you can modify a battle vehicle? What? The vehicle doesn't have enough room? No problem. Your big brother can fix that with his space ability. What? The fuel tank is too small? No problem. Your big brother can fix that with his space ability. What? The shelter's house is too small? No problem. Just tell me it's too small, and your big brother can fix it... Hey, hey, hey, don't take that off... Years later, when a huge force from the First Shelter prepared to attack Nie Tian's shelter, they saw a fully armed army pouring out of what was merely a villa clad in metal on the outermost perimeter. Nie Tian: Um, is it possible that your shelter is about the same size as a few of my villas...