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There are civilizations unknown to mankind in the vast universe. The protagonist Liu Yun represents the earth in civilized exploration in the universe, accidentally breaking through the limits of the human body and developing the limits of the human brain. Liu Yun discovered that the civilizations in the entire universe are divided into levels. Each civilization has different characteristics. Some civilizations can achieve immortality, some can create space, and some use wormholes. These are the future technologies that humans dream of. There once existed an advanced civilization on human earth, and the protagonist Liu Yun is uncovering the secrets of the universe step by step!