All of this is thanks to the new materials brought by the planetary impact. Humanity survived once again, and afterward, they divided themselves into cities, each within a vast isolation wall, gradually restoring their ecosystems to allow for human survival and reproduction.,The policemen surrounding them backed away, one by one taking out a thumbnail-sized brooch from their pockets and tossing it to the ground. In an instant, the thumbnail-sized brooches swelled up, transforming into black shields in less than a second.,As the Great Han spoke, he threw the hostage in his hand like a chick towards the police. He took a stride toward the crowd and transformed into a flame, with a boom, he crashed into the police standing behind their shields. Bang! Accompanied by exploding flames, he blasted open a path.。