At the Ancient Palace, the Lou Clan who were doing the ritual of sacrifice suddenly heard the voice of the Ghost King they've been serving for centuries. This was the second time in these years that they've heard his voice. After this time, the existence of the Ghost King had been unknown.
Especially that, now that modern times had taken over the ancient era, supernatural entities were considered unscientific. In short, for rational thinkers, their existence is within the blurred boundary of science and entities that cannot be explained.
Among the people, the Celestial Master who had different views of the world can be said to be the only ones among the humans who still believe in ghosts, demons, and gods. This is because these following entities were in line with their work.
