I don't think you understand. Even if it's not a Fuuton, it's basically like Fuuton. Only difference is that the wind created by the wings requires no Chakra. Basically, these wings are massive. Gian is a tiny, tiny bolt compared to the wings. Ridiculously tiny. By flapping his wings, it will create a wind that will be strong enough to blow away a tiny Gian since wind can still affect it. It gets redirected. In fact, he managed to create a shockwave and blow the rocks around him with a
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pair of wings. Really, Zexion? Kakashi came out of nowhere and blocked Gian. It will take a lot of time for it to travel to Chouji's head seeing as how Chouji is standing weeelll abovee the ground. He can easily move his hands and use
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to completely overpower any elemental ninjutsu Kakuzu throws at him. Since those Ninjutsu would be like ants compared to him. Not that hard to move your hand.