ULTRA DEMONS

 

Where are they? Who are they? 

The question you're looking for is what are they?

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An Ultra Demon has the ability to command countless demons and use them for their own will. Unlike the  Nova Demons, Ultra Demons can not be killed or be weakened by any light substance such as light magic or sunlight. Bronsor, king of the underworld is one of the few Ultra Demons. His plan to reek Havok on earth was only the beginning. That's only unless Trident Gunn can stop him!