Coined as the “Doomsday Dragon God”, Bahamut was introduced to Fantasy Frontier earlier yesterday, also known as Aura Kingdom in the English market. Wielding dual swords (pretty much like the Duelist class), Bahamut is described as being the “strongest” Eidolon to be added.
Other than his human form, a dragon mode for Bahamut is a no-brainer. I am not sure how the transformation is triggered, but it is most likely a temporary skill. In the dragon form, this almighty Eidolon is able to deal massive AOE damage with his fire breathe.