Make Flintlocks and Show Them to Primitive People

Cheng Yan, a modern migrant worker who was overwhelmed by 996, woke up and traveled to the Stone Age where hair was eaten and blood was consumed. Was he treated like a weakling by primitive people at the beginning? He used drill wood to make fire and slapped him in the face! Tribe facing saber-toothed tiger attack? He creates traps to teach people how to behave! The Black Teeth tribe bullies the weak? His development of flintlock guns shocked the audience! From making bows and arrows, firing pottery, to smelting metals and mixing gunpowder; From the excluded alien race to the Vulcan messenger of the Gray Stone Tribe; From fighting alone to uniting various tribes to establish a prehistoric alliance—— Cheng Yan used modern technology to crush primitive society, and used wisdom to break the tribe's thousand-year old habits! However, when the ice giant attacks, when the ruins of ancient civilization appear, and when the tribal girl secretly has a crush on him... This adventure spanning thousands of years has just begun! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.