Hiro has one final card to play to stop Leon from trapping the world in eternal slumber: the Ultimate Legendary Dragon, with the combined powers of all the legendary cards!
Infiniflame Dragon!
!يا تنّين الشعلة اللا مُتناهية
Drago della Fiamma Infinita!
Infinite Flame Dragon!
Дракон вечного пламени!