Start by Returning to the Primitive Human Race and Becoming a Disciple of Sanqing

When Lao Guo woke up, he found that he had traveled to the primitive human race before the Sanqing came! Became a baby who was only three years old! Any accident can kill him Fortunately, I got a system that can analyze and directly improve the level! The main mission is to kill the saber-toothed tiger... Congratulations to the host for obtaining the powerful magical power... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.