C1132 City-entry deterrence conjecture！！

Outside Obsidian City.

It had only been a single day, but the entire outside of Obsidian City had undergone a tremendous change. Before, there were at least a hundred or two hundred million living creatures outside the city, but a day later, the area outside the Obsidian was completely pitch black. There was no end in sight, nor was there an end to it.

At least a billion