In a Naruto and High School DxD crossover fanfiction involving an archangel, it could be really interesting. Maybe the archangel has powers that are similar to some of the shinobi abilities in Naruto. For example, the archangel might have a 'heavenly chakra' that is like the normal chakra but with more divine properties. It could also be that the archangel has a role in the DxD world similar to Naruto's role in his own world, like a protector or a catalyst for change.
The idea of an archangel in a Naruto - High School DxD fanfiction is fascinating. If we consider the Naruto side, archangels could be seen as beings from a different dimension with powers that the shinobi have never seen before. In High School DxD, they would disrupt the existing power balance. The archangel might possess some sort of 'divine jutsu' that combines the elements of Naruto's ninjutsu and the magic in High School DxD. It could also have a connection to the sacred gears in High School DxD, maybe enhancing or even creating new ones with its divine power.
A simple idea could be that Naruto is reincarnated as a student in the High School DxD world with some archangelic powers. He would have to deal with the typical high school drama along with the supernatural threats in that world. His positive attitude might be a shock to some of the more cynical DxD characters.
One possible fanfiction could be about Naruto characters attending the school in High School DxD. For example, Naruto's positive and determined attitude might clash with the more complex social and power dynamics in the DxD world. He could make new friends or even rivals among the devils, angels, and fallen angels.
One possible fanfiction could be about Naruto characters somehow ending up in the world of High School DxD. Maybe Naruto's skills in combat and his determination would make him a formidable opponent in the battles that often occur in the High School DxD universe. He could form interesting alliances or rivalries with the characters there.
A fanfiction might explore how the power of the Excalibur in High School DxD would interact with Naruto's chakra. Since the Excalibur is a powerful holy weapon, it could have some interesting reactions when in the presence of Naruto's unique chakra, which is different from the magic in the High School DxD world. For example, it could either enhance or nullify certain abilities depending on how the author writes it.
In a Naruto - High School DxD fanfiction, the power levels would be really interesting to explore. Naruto's sage mode and tailed - beast forms are extremely powerful. In the DxD world, there are different power systems like the Sacred Gears. It would be fascinating to see how Naruto's powers interact with the powers of the DxD characters. For example, could his Rasengan be enhanced by a Sacred Gear? Or how would he fare against a devil's magic?
One possible scenario could be that Naruto characters are somehow transported to the world of High School DxD. Naruto's ninjutsu skills would be quite a shock to the devils and angels in that world. For example, Sasuke's Sharingan could give him an edge in battles against the supernatural beings in High School DxD. And Naruto's never - give - up attitude might inspire some of the characters there to face their challenges more bravely.
Well, a fanfiction like this could be really interesting. One way it could work is by having a character from Naruto world somehow end up in the High School DxD universe and interact with the archangels there. Maybe Naruto himself could gain some new powers related to the angelic realm in this crossover. He could learn about different hierarchies of angels which are very different from the ninja system he's used to.
In a Naruto and High School DxD delinquent fanfiction, the characters from both series could form interesting relationships. Naruto's positive attitude might clash with some of the more devilish or mischievous characters in High School DxD. He could try to reform some of the delinquents there, using his own experiences of being an outcast in Konoha at first. This could lead to some really cool character development and interactions between the two universes.
One idea could be Naruto being summoned into the High School DxD world during a battle. His unique ninja skills would shock the devils and angels in that universe. He might form an unlikely alliance with Issei, perhaps teaching him some ninja techniques in return for learning about the Sacred Gears.
One idea could be that Naruto is somehow transported to the world of High School DxD. He could use his ninja skills, like shadow clones, in the battles that take place in the DxD universe. Maybe he'd form an alliance with Issei and his group, and teach them some ninja techniques to fight against the devils and fallen angels.