This is the main title for the Pokémon theatrical film featuring Hoopa, the Mythical Pokémon that can summon portals and bring powerful legendary Pokémon into battle. The movie follows Ash, Pikachu, and their friends as they encounter Hoopa and get caught in a conflict involving its mysterious rings and a legendary clash that threatens the city. It is part of the Pokémon movie line associated with the XY era, and is known internationally under a more concise English title.