Save the World, Why Don't You Run Away at Dawn?

Unlimited streaming! The protagonist needs to travel to destroyed worlds one after another to be the savior. Every time he arrives in a new world, the protagonist automatically matches the ceiling combat power of the current world! (Only during the day), of course, although there is a ceiling of combat power within the world, saving the world is not that easy. After all, many world disasters cannot be solved by individuals, and it still requires a little bit of brains.