All Heavens: Sign in at the Beginning and Sign in the Saint's Dao Fruit

Prehistoric + System + Decisive Killing + All Heavens and Worlds + Luck + Villains + Harem Lu Yuan was reborn as a half-grown boy from the human race in the prehistoric days. He was preying on the weak, and the strong were respected in the world. Fortunately, he signed a Hunyuan Dao Fruit at the beginning of the sign-in system, and became the first saint in the race... From then on, he began to dominate the world in order to transcend. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.