Pokémon the Movie: Diancie and the Cocoon of Destruction

Pokémon the Movie: Diancie and the Cocoon of Destruction is a 2014 Japanese animated fantasy adventure film created by Satoshi Tajiri and produced by OLM. It is the seventeenth film of the Pokémon anime series and the first film of Pokémon the Series: XY. Directed by Kunihiko Yuyama and written by Hideki Sonoda, the film stars the voices of Rica Matsumoto, Ikue Ōtani, Mayuki Makiguchi, Yūki Kaji, Mariya Ise, Megumi Hayashibara, Shin-ichiro Miki, Inuko Inuyama, Marika Matsumoto, Reiji Nakagawa, Shoko Nakagawa, Rika Adachi, and Kōichi Yamadera. In the film, Diancie, a Pokémon who is the Princess of an underground kingdom, joins the Pokémon trainer Ash Ketchum and his friends, Pikachu, Serena, Clemont, and Bonnie on a journey to meet the Legendary Pokémon Xerneas, who will awaken the power in Diancie to create a source of energy that will save the kingdom.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.