It would be a wild concept. Naruto's known for his rasengan and other jutsus. In a High School DxD setting, he might teach the students about chakra control in a way that could be related to the magic in that world. He could also be a great moral compass for the students, who are often dealing with issues of power and temptation. Maybe he'd start a club for training in ninja - like skills.
If Naruto were a teacher in High School DxD fanfiction, he'd first have to adapt to the different power systems. But his experience in dealing with all kinds of opponents would give him an edge. He could use his shadow clone jutsu to be in multiple places at once, like handling different classes or helping students in different situations. His story of growing up an outcast and then becoming a hero would be an inspiration for the students in this often - exclusive world of High School DxD.
In this fanfiction, the cultural differences between the two universes would be really interesting to explore. Naruto comes from a world with ninja clans and a feudal - like system, while High School DxD has a more modern, yet supernatural society. The vampires in High School DxD have their own social hierarchies. Naruto might find these hierarchies strange at first, but as the story progresses, he could either adapt to them or try to change them according to his own beliefs.
Well, in this fanfiction concept, Naruto's peerage in the High School DxD universe could potentially work by him recruiting members based on his own values. For example, he might look for those with strong hearts and a sense of justice, much like his friends in the Naruto world. He could use his ninja skills to protect his peerage members, and perhaps his chakra could be translated into some sort of power relevant to the DxD world.
It can work by finding common elements between the two. Both have elements of power systems, like chakra in Naruto and Sacred Gears in High School DxD. So, a story could revolve around comparing or combining these power systems.
One big change would be in the area of teamwork. Naruto is all about teamwork, as seen in his many battles with his comrades. In High School DxD, the students could benefit from his teachings on how to work together effectively. He could also bring a more carefree and fun - loving attitude to the school environment, which is often filled with serious power struggles.
In the High School DxD universe, Naruto's chakra might be seen as a new form of energy. His Sage Mode would give him enhanced senses and strength. He could detect the presence of devils and angels from afar. When using Sage Mode, his attacks would be even more powerful. For example, a Sage Mode - enhanced Rasengan could cause massive damage to the toughest of opponents in the DxD world.
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.
Naruto's jutsu could potentially interact in interesting ways with the magic in the High School DxD world. For example, his Lightning Style jutsu might interact with the electrical - based attacks of some DxD characters in unexpected ways. His ability to use Sage Mode would also give him an edge, as it enhances his physical abilities and sensory perception. This could make him a formidable force against the various powerful beings in the DxD world, and his jutsu would play a crucial role in battles and his overall survival in this new and strange universe.
Naruto has a very outgoing and friendly personality. In the High School DxD world, he would probably try to make friends with everyone, regardless of their race or faction. This could lead to some very interesting interactions. For example, he might try to convince the devils to use their powers for more positive things, like protecting the innocent, rather than just for their own gain. And his skills in stealth and combat would make him a valuable asset in the battles that often take place in the High School DxD world.
He could be seen as a mysterious figure at first. Given his different appearance and abilities compared to the devils, angels, and fallen angels in the DxD world. Naruto might initially be a target of suspicion, but as he shows his good heart and helps out in various situations, like protecting the school from an attack, he would gradually be accepted. He could also have some interesting interactions with the magic and power systems in the DxD universe, maybe even finding a way to combine his chakra with their powers.
Well, Naruto's friendly and outgoing nature would make him quickly form friendships in High School DxD. He could also use his ninja skills to outwit the devils and other supernatural beings in various challenges and competitions within the school. His ability to never give up would inspire the characters in this new world.