One possibility is a curse or a blessing from an ancient entity. Maybe a powerful spirit or a forgotten shinobi bestowed these wings upon Naruto as a way to either test him or help him in his journey.
One possibility could be a curse or a blessing from a powerful being. Maybe Naruto encounters a god - like entity during one of his adventures who bestows the angel wings upon him as a way to test his character or give him new powers to face an upcoming threat.
It could be a result of a magical experiment gone wrong. Some rogue ninja or a mad scientist - type character in the Naruto universe might have been trying to create a super - being and accidentally gave Naruto red angel wings.
Maybe they could be a result of some ancient curse or blessing. For example, Naruto might have accidentally stumbled upon an old shrine during one of his adventures and unknowingly activated a spell that gave him the black angel wings. It could also be related to his Uzumaki heritage, perhaps there's some hidden power within his bloodline that was awakened in an unexpected way, causing the appearance of these unique wings.
Maybe they could be a result of some forbidden jutsu gone wrong. For example, Naruto might have been experimenting with a new form of chakra manipulation that accidentally summoned some dark energy which manifested as black wings.
Well, it could symbolize great power. In many fictional concepts, wings often represent strength, freedom, or a connection to something divine. So Naruto having 12 wings might mean he has an extraordinary level of power, perhaps even a connection to a higher realm or a new form of chakra. It could also be a sign of his evolution as a character, making him stand out even more in the Naruto universe.
Well, having raven wings might also change his chakra usage. He could potentially use the wind nature of his chakra in new ways. For example, he could create stronger gusts while flying to disrupt enemy formations. Also, the wings could be used defensively, like shielding himself or his comrades from attacks.
One possibility is that his ghost powers evolved in a new way. Maybe after a particularly intense encounter with a powerful ghost or some strange ectoplasmic energy, his body underwent a transformation that resulted in the growth of wings. It could also be related to his family's ghostly heritage, perhaps an ancient trait that was dormant until now.
One origin could be a genetic mutation within the Uzumaki clan that has been dormant for generations. Naruto, being an Uzumaki, could be the first in a long time to have this mutation manifest as claws. Or it could be due to a curse placed on him by an enemy. However, instead of weakening him, the curse gives him the claws which he then learns to use to his advantage. It could also be a gift from a powerful sage or spirit that he encounters during one of his adventures, seeing the potential in Naruto and bestowing him with the ability to have claws for a specific purpose like protecting the village or fighting a greater evil.
Perhaps it was a gift or a curse from some powerful being. For example, a god or a demon could have bestowed this third eye upon Naruto for some purpose, either to help him in his journey or to make his life more difficult with new powers that come with their own challenges.
One possible plot could be that Naruto discovers he has butterfly wings after a strange encounter with a magical creature in a hidden forest. He then has to learn to control his new wings while also keeping it a secret from his friends in the village. As he gets used to his wings, he finds that they give him new abilities, like being able to fly silently and quickly, which helps him in his ninja missions.