Pokemon 17: Diancie and the Cocoon of Destruction

One of the most favourite animated movie on the world, Pokemon the Movie: Diancie and the Cocoon of Destruction opens as the Jewel Pokemon, Diancie no longer has the power to control the Heart Diamond and her country is beginning to fall apart. Therefore, Diancie determines to look for help from Ash and his crew to be safe on the way from thieves.