Stone Tool: Became the Leader of a Primitive Tribe at the Beginning

When Qin Fei woke up, he traveled to the Stone Age. He carried a black technology system and had an important mission. Create the most powerful weapon! Conquer all the tribes! Create a black technology empire! Iron tools, guns, aircraft and tanks, power stations, communication stations, and the Internet, let the glorious human civilization conquer this primitive world! For the tribe, for the empire! Rush the duck! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.