After Resurrecting from the Dead, I Will Bring My Own

Two hundred years ago, the world underwent drastic changes. A volcano outside China erupted, magma overflowed, and the temperature increased sharply. Within two days, there was no life left. From then on, no one was allowed to leave the country, and the scenery outside the country continues to this day. Legend has it that at that time, golden light emanated from all around China, which offset all damage caused by the high temperature. Some people once said that it was China's thousands of years of heritage that protected China, that it was the four sacred beasts in mythology, and that the Three Sovereigns and Five Emperors protected China, but the official did not reject it. As for the truth, the official has not yet answered...