This impact destroyed human civilization, society, and nations. In such adversity, the resilience and tenacity that humans have developed over millions of years of evolution finally came to the fore. The surviving humans gathered together and, in incredibly difficult circumstances, built isolation barriers.,Brilliant City, a city built within massive defensive walls. It is called Brilliant City because it was the first human city to utilize planetary unique materials to develop an artificial sun. It is a gigantic city with a population exceeding 30 million.,With a loud bang, everyone in the room was stunned. This slightly thin, white-haired man had grabbed the flaming giant by the neck with one hand and slammed him to the ground. The flames immediately extinguished, and the giant foamed at the mouth and fainted.。