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The Thunderbird is a lightning-elemental DSS attribute card in Castlevania: Circle of the Moon. It produces lightning effects, such as an electric whip. You may also summon the Thunderbird when the Uranus card has been obtained. This summoning spell is tied with Cockatrice for the title of most devastating spell in the game. Lightning bolts are summoned from the top, traversing through the entire screen (and even outside of it), hitting any enemies which happen to be in their way. Lightning bolts can also pass through multiple enemies.