At the beginning of the prehistoric period, the world was uncertain, monsters and monsters were rampant, and ghosts were rampant. Attacks continued on the vast land of China, and all life was in ruins. Various tribes and tribes annexed each other, plundering land and attacking cities for thousands of years! Talents and strangers from all ethnic groups may exhaust all their knowledge and try to gain a glimpse of the secret weapons of immortality to defeat the enemy! Or you can strengthen your bones and muscles, fight against ferocious beasts with your own strength, and protect your home and country...