Wrath of Bahamut GENESIS

This is a mysterious world where humans, gods, demons and other races live together, Mystacia. In the past, Bahamut with the black and silver wings almost destroyed the world. But humans, gods, and demons fought together and made huge sacrifices, and finally sealed its power. Then, the gods and demons each kept half of the seal key. Two thousand years later, the world has always been peaceful and tranquil. I don’t know since when, humans have regarded Bahamut as a unique and noble existence, fearing and worshiping him. One day, a girl took away the key of the closely protected Gods. The balance of the world was gradually broken. When Bahamut roared again, the world once again fell into the abyss of despair. World, destroy it! A voice is so willing to beg