Ash and Pikachu's journey takes them to the new Viaya Region, filled with tons of Pokémon new and old. They will meet many friends and foes along the way as Ash continues his path to becoming a Pokémon Master.

When the destiny and fate creating Eternal Book's safety is threatened by a new dastardly villain, Mario must travel to the far-off Chronoyarn Kingdom, and save the entire world, along with some new partners helping him out.