Prehistoric: the Reborn Iron-Eating Beast Is Hunted Down by Chanjiao at the Beginning

What? Reborn? And became a giant panda? What? This is prehistoric times, and dad is the legendary iron-eating beast king who held back Chi You, the god of war? What? Did the God of War Chi You just die? His father is still being hunted by the Twelve Golden Immortals of Chanjiao? What? Guangchengzi brought people to kill? What? System starts up but goes silent again? Dad, don't leave, I feel like I can still save you...