Become Zhen Yuanzi and Be Bound to the Prehistoric Tunnel at the Beginning

Prehistoric+System The time traveler Zhen Yuankun has just become Zhen Yuanzi after his soul traveled through the early prehistoric period. He inherited the origin of the innate Wutu Qi and retained modern thinking and understanding of the general trend of the prehistoric times. As Zhen Yuanzi, he used the selection system to bind the prehistoric tunnels and perfect the prehistoric tunnels.