Engineer Lin Jian fell into the wilderness of "The Classic of Mountains and Seas". When the tribe used bone spears to fight against the monsters, he silently spread out the drawings and lit the first blast furnace. Later, the gods sent down divine punishment, and his railguns were raised simultaneously. Thousands of years later, facing the alien evil god who tore apart the galaxy, the ancient gods who once overlooked all living beings were quietly queuing up on the assembly line of the biological starship he designed, waiting for genetic modification.