A possible plot element is the interaction with the characters in DxD. Naruto's friendly and determined nature might lead him to make friends quickly, while Sasuke's more brooding personality could create some interesting tensions. They could also get involved in the battles between the different factions in DxD, like the Angels, Devils, and Fallen Angels, bringing their ninja skills to the table.
Another important plot element could be their own growth in this new universe. They might learn new abilities or ways of thinking. For instance, they could be exposed to the more complex politics and hierarchies in DxD. This could force them to re - evaluate their own goals and values. Naruto might strive to bring peace in a different way, and Sasuke could find new reasons to become stronger.
Well, one key plot element could be how Naruto and Sasuke adapt to the DxD universe. Maybe they have to deal with the different power systems like Sacred Gears. For example, Naruto's chakra control might interact in an interesting way with the power of a Sacred Gear. Sasuke, with his Sharingan, could have unique ways of seeing through the illusions or strategies in the DxD world.
Their powers could combine in a really cool way. Naruto's Rasengan, which is a concentrated form of chakra, could be infused with Sasuke's elemental jutsu, like Fire Style. In the DxD universe, this combined attack could be a powerful weapon against the various enemies. For example, if they face a powerful devil, they could use this super - charged attack to overpower it.
One possible plot could be that Naruto and Sasuke, married, are somehow transported to the DxD world. They have to adapt to the new rules and powers there while also dealing with the reactions of the DxD characters to their relationship.
Well, one important thing is the consistency of Sasuke's character. He has his own set of values, goals and abilities in the Naruto universe. In a crossover, these should be maintained while also being adaptable to the new setting. For instance, in a Sasuke x Bleach crossover, his Sharingan abilities might have new interpretations or uses in the Soul Society. The pacing of the story is also crucial. It should neither be too slow that it bores the reader nor too fast that important details are missed. And the conflict, whether it's internal within Sasuke as he struggles with the new world or external as he faces new enemies, should be engaging.
One common plot element could be Naruto being unjustly banished from the Hidden Leaf Village. Then, in the crossover aspect, he might end up in a different world or situation where he has to prove himself. Regarding Sasuke bashing, Sasuke could be portrayed as a villain or someone who betrays Naruto more severely than in the original story.
One key element is the complex relationship between them. Sasuke's often cold and distant nature contrasted with Karin's more passionate and emotional self. For example, in many fanfics, Karin has to break through Sasuke's emotional barriers.
One of the most interesting plot twists could be the sharing of powers. For example, Naruto's ability to use chakra might combine with the unique demonic powers in Highschool DxD in unexpected ways. Maybe a character from Naruto's world gains a devil fruit - like ability from the Highschool DxD universe. Another could be a character from Highschool DxD learning how to use ninjutsu, which would completely change the power dynamics in their own world.
A crucial element is the conflict. There's the obvious external conflict of having to fight Sasuke's pursuers or those who want to stop Naruto. But there's also internal conflict within Naruto. He may doubt himself, or struggle with his feelings towards Sasuke. This internal conflict can drive the story forward and make the character more relatable.
Character growth is a significant part. As Sasuke overcomes his shyness, he grows as a character. This growth can be both in terms of his relationship with Naruto and his own self - confidence. The fanfics also often have elements of friendship and the potential for more than just friendship between the two, which is all centered around Sasuke's shyness.
One key element is the backstory. It often shows the events that led Sasuke to start trusting Naruto, like their early battles and training together. For example, in some fanfics, the fight on the rooftop is a turning point.
Power dynamics play a big role too. Naruto is a very powerful ninja, and in the High School DxD universe which is filled with powerful devils, angels, and other supernatural beings, how his power compares and how he uses it is a major aspect. He might have to learn new ways to use his chakra in a world where magic and sacred gears exist.