In a world ruled by beasts, only the fire of knowledge can ignite civilization. When renowned explorer Gu Ya is thrust into a savage, prehistoric world teeming with dinosaurs, warring tribes, and ancient totems, he should have been doomed. But fate grants him a second life—reborn in the body of a young tribesman bearing a mysterious witch mark. Armed with modern wisdom and the will to survive, Gu Ya sets out to rewrite the destiny of the Black Mountain Tribe. From forging weapons and discovering food sources, to crafting traps and leading warfare, he must transform a struggling tribe into a thriving civilization—before the bloodthirsty Blood Wolf Tribe wipes them out. In a land where gods are carved from bone, and strength alone decides fate, one man dares to challenge the ancient order. This is not just survival. This is a reboot of humanity.