The Time Has Come for the Showdown with the Black Rayquaza

Roy and the others visit the Dragon Shrine to meet with the Black Rayquaza. After Roy manages to get through to it, Pagogo helps it Dragon Terastallize! A battle for the purpose of testing Roy and Uruto's strength then begins; And this time, it's for the sake of becoming its true Partner... The Time Has Come for the Showdown with the Black Rayquaza?!