Druddigon is Ryuki's Pokémon. The battle verses Ash Ketchum started off in a Single Battle of Ryuki's Zweilous against Ash's Rowlet but when Ash's Meltan ate part of Ryuki's boots, the battle expanded to a Double Battle and Ryuki's Druddigon joined the battle. It ended up losing as Rowlet learned Brave Bird during the battle and it proved to be too powerful for it and Ryuki's Zweilous.