Ash meets the Mythical Pokemon Volcanion when it crashes down from the sky, creating a cloud of dust, and a mysterious force binds the two of them together! Volcanion despises humans and tries to get away, but it's forced to drag Ash along as it continues its rescue mission. They arrive in a city of cogs and gears, where a corrupt minister has stolen the ultimate invention: the Artificial Pokemon Magearna, created 500 years ago.