Pokemon the Movie: Diancie and the Cocoon of Destruction (2014)

Young hero Ash Ketchum and his friends come to the aid of a creature from an underground kingdom, who has travelled to the surface to repair the magical diamond that her homeland depends on. When a group of thieves try to steal the gem, they accidentally awaken a terrible monster. Animated adventure, with the voices of Sarah Natochenny and Caitlin Glass.