Berial serves as an archduke in the Demon World. A four-eyed demonic bat called Boi Boi frequently perches on his shoulder. He was the individual who suggested to the Great Demon Lord Megido of the Lava and his associates that they form an alliance with Demon Card, serving as a component of the organization's ambitious Project: Dark Rendezvous. He wields the Six Star Dark Bring G-Earth, which grants him the ability to manipulate the ground.
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