During their travels through the Unova region| Ash and his friends Iris and Cilan arrive in Eindoak Town| built around a castle called the Sword of the Vale. Thethree Trainers have come to compete in the town's annual battle competition| and Ash manages to win with some unexpected help from the Mythical Pokémon Victini. Itturns out Victini has a special bond with this place. Long ago| the castle watched over the Kingdom of the Vale| and the partnership between Victini and the kingprotected its people who lived there. But that kingdom has since vanished into memory| leaving behind powerful relics and ancient Pokémon. Damon| a descendant ofthe People of the Vale| is trying to restore the lost kingdom with the help of his Reuniclus. His quest has taken him to the far reaches of the barren desert| and hehas convinced the Legendary Pokémon Reshiram to join him in the search for truth. Damon plans to trap Victini and harness its power| and as that plan gets underway| the entire town ...