The End of the Limit

Three hundred years ago, the world underwent tremendous changes, and the world ushered in earth-shaking changes. All living things are highly evolved and are launching a crazy counterattack against humans who have ruled the earth for nearly ten thousand years. Three heroes emerged from the sky, established a line of defense for mankind, and protected the order of civilization. However, the battle between man and nature has never stopped. When the heroes of the older generation become legends, can the new generation of heroes challenge fate and rewrite their own legendary music?