The end is coming, and alien beasts devour civilization and become the new masters of the earth. {Green Wolf}, struggling to survive in the ruins, unexpectedly awakens the ability to communicate with alien beasts. He is no longer a prey, but a destined person who can understand the beast's roar and tame the beast. The clawed wolf charged for him, the giant armored turtle defended him, and the wind leopard explored his path. An unprecedented army of alien beasts quietly took shape in his hands. Human predators covet his power, and ferocious beast overlords seek to rule the earth. Faced with dual threats, Cang Lang controls the beast and uses blood and fire as ink to write the legend of the rise of the beast king on the ruins of doomsday!