Heart and Soul

Because of the deterioration of the earth's environment, humans moved to Pangu. On this planet that seems to have no higher organisms, ruins of ancient civilizations have been discovered. How did the ancient civilization disappear, or is there a higher-level civilization controlling everything? While humans are exploring unknown civilizations, they are also seeking the power to change themselves. This power comes from reality and virtuality. The power of reality can control virtuality, but conversely, can the power of virtuality control reality?