On Earth.
Humanity's living areas had long ceased to resemble what they had been before the otherworldly invasion. With the rise of the Iron Blood Brotherhood and its campaigns against creatures from successive otherworlds, the entire human world had formed a state centered around China.
The surviving population of the world had originally been just over a hundred million. After so many years of development, aside from China experiencing a population boom, it was already fortunate that the populations in other regions had not declined.
During the previous betrayal by the Ice God King, Lu Yang had reshuffled the nations. All the old gods still living on Earth had been stripped of their power. As a result, several old God Kings, including the Dark God, Wind God, and Thor, had left this place and vanished without a trace.
Without the protection of the old gods and their legions, people were constantly ambushed by mutated creatures around their respective living areas. Some otherworldly races that had secretly infiltrated Earth also attacked them, causing the populations of various countries to keep falling, barely matching their birth rates.
To solve this problem, they repeatedly sought Fu Yun's help. Fu Yun built a large number of teleportation arrays, helping them gather their people into a smaller number of cities. Then, he sent instructors from China's magic academies to teach the various races how to cultivate magic.
Together with the protection of some small races that Lu Yang had teleported to Earth, this finally made the citizens of various countries safe. Yet this also brought another problem: with too many humans gathered together, their living circles developed distinct social classes.
The first-class citizens in these living circles were those whose families had warriors who had cultivated high-level magic, as well as the rulers of each