Apocalyptic World

The main world has fallen into a cycle of disaster at some point. The four dangerous places hide the secrets of world destruction. The great central forest isolated by the Death Mountains; The once glorious Tongtian Island; The desperate sea wrapped in the dark plateau; The death abyss at the center of a large crater. The main world has been isolated and disasters are everywhere. When a mysterious boy falls from the sky, what kind of waves will it cause?