Protagonist: Li Xuan (a modern soul who traveled through time and became Taoist Duobao, the great disciple of Tongtian Seat), retains modern thinking and the memory of the prehistoric times, has a calm and yet flexible personality, hides his strength in the early stage, and later becomes a key figure affecting the prehistoric pattern.
- Core partner: Master Xuandu (the direct disciple of Laozi), who has a gentle and upright nature. He was attracted by Li Xuan's "different from ordinary people". From the initial temptation to the later life and death, he became Li Xuan's most trusted brother.
- Core goals: to change the fate of the "chess pieces" of the human race in the prehistoric world and improve the self-preservation ability of the human race; to balance the relationship between the three religions and avoid the brutal battle of the Gods; to explore the nature of the prehistoric world and the secrets of time travel.
