CALLAHURA BAHELIAC

In the language of the Ancestral Entities that created it, it means "The Great Key" in Deux Ex-Gear.
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Callahura Baheliac is the real name of the gigantic biomachine called Bahamut, it awaits the moment for the Great Awakening and finally fulfilling the purpose that the Ancestral Entities have trusted him since her creation, when the world was still a sea of fire and brimstone.