He could be a new type of threat or ally in the DxD world. Since Naruto has such powerful abilities, the fallen angels might see him as a potential weapon or a hindrance to their plans.
In this fanfic, Naruto's unique abilities like his shadow clones and Rasengan could be combined with the magic and powers in the DxD universe. For example, a fallen angel might be interested in Naruto's chakra and try to use it for their own purposes. Naruto, being the hero he is, would not let that happen and would start a conflict that could lead to an epic adventure.
The theme of self - discovery can be seen as well. Characters from both series might be on a journey of self - discovery, and the addition of the Fallen Angel element can further complicate or enhance this journey. For example, a character might discover new powers or aspects of their personality due to their encounters with Fallen Angels. And of course, the theme of good vs. evil is always present, as the Fallen Angels can be seen as either a force of evil to be fought against or as complex characters with both good and bad sides that need to be navigated.
One possible fanfic could be about an angel who gets trapped in the Naruto world and has to adapt to its ninja ways while still retaining some of the powers and characteristics from the DxD universe. For example, the angel might use its holy powers in a new way to fight against the akatsuki.
Dxd can expect a new and different take on the Naruto world. Since it's a fanfiction, the author might introduce unique characters related to the fallen angel concept that interact with the Naruto characters in unexpected ways.
Maybe dxd is interested in exploring alternative storylines in the Naruto universe. The fallen angel aspect could add a new and exciting dimension to the familiar Naruto setting. It could also be that dxd enjoys the creativity of fanfiction writers in general and stumbled upon this Naruto - fallen angel one and got hooked.
Well, you could make your fallen angel OC a bit of an outcast even among other fallen angels. Maybe they have a different view on the war between angels and devils. For example, they could be trying to broker peace in secret. They might also have a special connection to a certain sacred object that was lost during their fall, and the story could revolve around finding it again. Also, giving them a distinct personality trait like being overly curious about human culture could lead to some fun and unique storylines.
The plot could involve an angel accidentally falling into the Naruto universe. The angel then discovers that there are similarities between the chakra in Naruto's world and the magic in the DxD world. As the angel tries to find a way back home, it befriends Naruto and helps him in his journey to become Hokage, while also learning about the values of the Naruto world.
In 'naruto angel dxd fanfic', the characters from both Naruto and DxD get to interact in ways that are not possible in their original stories. For example, Naruto's sense of justice and his never - give - up attitude can have a big impact on the DxD characters. Also, the different power systems collide and sometimes merge, like Naruto's chakra with the magic in DxD. This can lead to really unique and unexpected plot twists. It's not just about putting the characters together, but also about how their worlds' concepts interact.
It could be an original character created specifically for the fanfiction. Maybe it's a being from a different dimension that somehow ended up in the Naruto universe. It might have some special powers or a tragic backstory that led to it being in conflict with Naruto.