Pokémon the movie : diancie and the coccoon of destruction / story and art by Kenji Kitamura ; original concept by Satoshi Tajiri ; script by Hideki Sonoda ; [translation : Tetsuichiro Miyaki].
In the underground Diamond Domain, where many Carbink live, the mythical Pokémon Diancie serves as a princess. The Heart Diamond that sustains the land is beginning to fall apart, and Diancie is not yet strong enough to create a new one. Can Ash and his friends help Diancie discover its true power and save the Diamond Domain.