In a primitive and untamed world, Xia Tuo, who inadvertently ended the life of the system, suddenly came to the realization that he had made a grave mistake. He wondered how one might filter and purify salt. What even is the alloy known as bronze? How does one create a bow and arrow? My goodness, why is it so challenging to be the leader of a clan… Gazing at the assortment of rocks and animal bones before him, Xia Tuo longed for the system that he had accidentally destroyed.