I choose you

The Kingdom of the People of the Earth once ruled over the land, but now all that remains is the Sword of the Earth. in the city of Eindoak. Satoshi, Iris, and Dent arrive in Eindoak during a harvest festival's Pokémon Tournament and meet the legendary Pokémon Victini who wishes to share its powers of victory to someone. Elsewhere in the city, a descendant of the People of the Earth named Dred Grangil has arrived who seeks to revive the kingdom's power with the Sword of the Earth, bringing them back into power over the land, and Satoshi and his friends must stop him before he destroys the land along with Victini.

In the underground Diamond Domain, where many Carbink live, the Mythical Pokémon Diancie serves as ruler. The Heart Diamond that sustains the land is beginning to fall apart, and Diancie is not yet strong enough to create a new one. While seeking help from the Legendary Pokémon Xerneas, Diancie encounters a group of thieves who want to take control of its diamond-producing power–and who awaken the Legendary Pokémon Yveltal from its cocoon in the process! Can Ash and his friends help Diancie discover its true power, stop Yveltal’s rampage, and save the Diamond Domain?

To be determined