The man calling himself the Professor sought to use the dragon as an experiment and attached the Gospel between its eyes. The dragon would then be found attacking the marketplace at Bose. Leonhardt, The Sword Emperor appears during this attack and flys off with the dragon to the Krone Mountains where he chased by Agate and then Estelle and her group. Towards the end, Regnart flies to the Liberl Ark and catches Estelle and Joshua as they are falling, on the order of Cassius Bright.