Apocalypse: A Sky City from the Start, and She's Terrifyingly Strong

[Infrastructure + Powerhouse + Apocalypse + System + Big Shot + Strong Female Lead + Sky City] No male lead. The female lead is powerful and doesn't need a man (to blow anyone's head off). Li Yue was struck by lightning for two hundred years, and finally ended up in the apocalypse. She turns out to be terrifyingly powerful in this world, punching mutant creatures and kicking otherworldly species. What a blast. No one can beat her, so they can only swallow their anger in silence. -- To ascend, Li Yue teams up with the System to build Sky City. The most advanced technology, the most capable city lord, and the strongest defenses can all be found here. “Would you like to come to Sky City?” When this voice rang out, it sounded like heavenly music to those in danger. At first, no one knew the place existed, and they were all skeptical. That is, until later. “Okay, this place is amazing.” “Wow, the city is floating in the air, but it even has land, clean houses, and water. I'm never leaving!” “They've got advanced weapons and powerful guards here, too. I'll bring my wife and kids to live here.” Xiao Liu: “That's nothing. My Host, your city lord, is the truly amazing one.” Ahem. Host, you spent two hundred years undergoing tribulations in various worlds, helping countless people. Now the people you once helped will come to your aid and help you overcome this crisis. “Restart the world.” -- Li Yue: “Welcome to Sky City. You're its next resident. Come witness the world's restart with me.” System Xiao Liu: “My Host has become a proper city lord. She can advertise for herself now.” Li Yue: “...”