Fang Yin accidentally traveled to the Pleistocene of the Ice Age and became a saber-toothed tiger cub! Incarnated as a cat with the ceiling of combat power, bound to the genetic evolution system, Fang Yin started to evolve wildly from the saber-toothed tiger! [Ding! Host fusion The squid gene has acquired the ability to change body color.] [Ding! The host has fused the shark gene and gained the ability to regenerate teeth.] [Ding! The host has fused the mammoth gene and obtained saber-tooth bone strengthening.] From then on, a generation of saber-toothed tiger kings Reign in the prehistoric Ice Age! Overwhelm the brutal American lion, hunt the Colombian mammoth, and outwit the terrifying erectus ape! Fang Yin thought that dominating the prehistoric Ice Age would be the end of his life. It was not until the blue star thawed and the glacier melted that he discovered... a new world A corner of it is opened!