The Son of Amaterasu could also have the power to see the truth or foresee events, like his mother was sometimes associated with divination. In the High School DxD world filled with deceptions and power plays, this ability would be extremely useful. He could use it to outwit his enemies, find hidden treasures or predict the actions of his opponents, which would be a unique addition to the typical powers found in the series.
He might have the ability to control some form of divine light, which could be used for both offensive and defensive purposes. This could be different from other characters' abilities in High School DxD as it would have a more divine origin.
Well, it could be about the Son of Amaterasu having to deal with the power struggles in the High School DxD world. Maybe he has some unique abilities inherited from his mother that make him a target or a valuable ally.
Well, in this fanfiction, Naruto's origin as the son of Amaterasu could lead to a story where he is initially shunned by some in the DxD world because of his strange powers. But as he proves himself in battles and shows his kind heart, he starts to gain allies. His journey could also be about uncovering the secrets of his mother Amaterasu and how that relates to the overall balance of power in the DxD universe. Maybe he has to face an ancient evil that only his combined ninja and divine powers can defeat.
Naruto in this fanfiction would likely have a different sense of self - identity. He's used to being a ninja from Konoha, but now as the son of Amaterasu, he has a whole new heritage to grapple with. He might be more confident in his abilities, as he has this divine blood in him. Also, his relationships with others could change. For instance, he might be more cautious around devils, given his divine origin, but also be more curious about their ways compared to his original Naruto self.
Well, in some High School DxD fanfictions, the OC might be considered Satan's son to create a really powerful and unique character. It could be for the sake of having a character with a dark and mysterious origin that can bring in a lot of interesting plot twists. Maybe the author wants to explore the idea of a character with demonic powers and a connection to the most powerful figure in the underworld, Satan.
His ki - based attacks would be a new and powerful addition. In High School DxD, most of the powers are related to magic, sacred gears, and demonic or angelic powers. Goku Black's ki blasts would be a completely different form of energy that could catch everyone off - guard.
Naruto's ability to use chakra could be a game - changer. His shadow clone jutsu could be used for various strategies, like in battles against the devils in High School DxD. When it comes to Moka, Naruto could use his clones to distract her while he tries to understand her vampire powers.
One interesting plot could be Issei exploring his new divine heritage. Since Amaterasu is a powerful goddess in Japanese mythology, he might discover new powers related to the sun. For example, he could have the ability to emit intense heat or blinding light, which would be a great addition to his combat skills in the Highschool DxD universe. Another plot could involve the reactions of his friends and enemies to this new revelation. His friends might be in awe or a bit jealous, while his enemies could see him as an even greater threat.
His chakra control is another aspect. In DxD, he could use his chakra control to enhance his physical abilities even more than the normal superhuman strength in the DxD world. He could also use it to sense the presence of different beings, similar to how he senses chakra in his own world.
In a Naruto and High School DxD fanfiction, there could be a scenario where the protagonists of both stories meet in a neutral dimension. Issei from High School DxD might be intrigued by Naruto's ninja skills and determination. Naruto, in turn, could be curious about Issei's Sacred Gear. They could start training together, sharing their knowledge and skills, and ultimately have to face a common enemy that threatens both their worlds.
His chakra abilities might be affected by the magic in the DxD world. Maybe his Rasengan could gain some magical properties.