エステリア・バハムート

She is the Divine Beast Bahamut who watches over and protects the people of Granleyd, in human form. As a living divine being, she commands great respect and support from the citizens of the empire. Contained within her body is a boundless amount of Esprit, and she exists in a domain beyond mortal beings. She is widely considered the single strongest being in existence in the current time. [From the official website]