I'm Not a Primitive

"The author did not run away, the content is being refined, 7.10" (No system / hardcore survival / technology flow / tribal group portrait / natural disaster doomsday / civilization inheritance) Homo sapiens' invincibility in the world begins with a healed thigh bone. When modern souls collide with primitive instincts, how much price do ancient humans have to pay to give birth to their own gods? As a modern social animal, Leon's life list will be completely rewritten when he sees savages holding stone spears hunting mammoths: √ Travel through primitive society (hell mode) √ Unlock the natural disaster illustration (more disasters will be added continuously) In the prehistoric era when wild beasts were everywhere, a series of doomsday events would unfold: extreme cold, magma, floods, plague, famine... Nine-year compulsory education will become Li Ang's only "golden finger" In the constant suffering of life and death, Li Ang, who was in a hurry to survive, finally found the meaning of time travel - he wanted to light up the technology tree and ensure the continuation of human civilization! When the earth could no longer support life, hundreds of survivors along the way embarked on a tragic journey across the last ice age. Ahead is the frozen corridor of death, Behind him is the flood of hell on earth, The bonfires lit up in the dark night formed a great wall of everlasting flames, In times of despair, the long song passed down by mouth leads to a place of origin called hometown. Summary of basalt inscription: "This book declares in the name of the terrifying erect ape - I measure the territories of the gods with my feet, and everything the sun and moon illuminate is the king's land! May mankind's fire never be extinguished and its high spirits never be extinguished!