One common theme is power struggle. When a Harry Potter character gets the Eternal Mangekyo Sharingan, they have to deal with the new power and how it affects their relationships. Another theme is identity. They might question who they are now that they have this new ability from a different universe. For example, a Gryffindor might struggle with the more 'ninja - like' aspects of the Sharingan that seem at odds with the Gryffindor values.
In these fanfictions, a common theme is the clash of cultures. The magic of Harry Potter and the power of the Eternal Mangekyo Sharingan come from two very different fictional universes. So there's often a exploration of how these two different 'cultures' interact. For instance, the way magic is taught in Hogwarts is very different from how ninjas in Naruto train to use their powers. And when a character has to combine these two, it can lead to a lot of interesting situations. There can also be a theme of redemption in some stories, where a character uses the power of the Sharingan to make up for past mistakes in the wizarding world.
Well, I don't have a specific 'Harry Potter Eternal Mangekyo Sharingan' fanfiction to recommend right off the bat. But when you're looking, consider the reviews and ratings of the stories. A highly rated story is more likely to be well - written. In these fanfictions, you might expect to see things like a Harry Potter character training to master the Eternal Mangekyo Sharingan, perhaps with the help of a character who has knowledge of both the wizarding world and the Naruto universe. This could lead to some really interesting character development and plot twists as they navigate two very different power systems.
Another concept is the character development. The presence of the Eternal Mangekyo Sharingan often brings a deeper level of conflict and growth for the characters. They might have to struggle with the power it bestows, such as the risk of going blind or the moral implications of using its more sinister abilities.
Sasuke Uchiha is often a central character. Since he already has the Sharingan in the original series, in fanfiction with the Eternal Mangekyo Sharingan, he can be further developed. His journey to master this new level of power and how it affects his relationships, especially with Naruto, can be a major focus.
One interesting fanfiction could be about a character from Naruto who somehow gets transported to the Fairy Tail universe and has to deal with the magic there while still having their EMS powers. For example, Sasuke could end up in Magnolia and form an unlikely alliance with Natsu to fight a common enemy.
One interesting concept could be new and unique jutsu. For example, the author might create a jutsu that combines the powers of the eternal mangekyo in a way that has never been seen in the original Naruto series. Another concept could be different character relationships. Maybe in the fanfiction, characters who were enemies in the original become allies, all because of the power of the eternal mangekyo.
There are probably some. Fanfiction writers are very creative. They might think about what would happen if a Hogwarts student was born with the Sharingan. How would they use it in their daily life at the school? How would the teachers and other students react? It could add a whole new dimension to the Harry Potter story, with the Sharingan's powers like seeing the flow of magic or predicting an opponent's next move being incorporated into the magical battles and adventures in the wizarding world.
One possible plotline could be Naruto unlocking the Mangekyo Sharingan through some strange and unforeseen means, perhaps a powerful jutsu backfires and gives him this new power. Then he has to struggle with controlling it while his friends are both amazed and a bit worried about this new development in him.
Well, in 'naruto sharingan fanfiction', the theme of rivalry is quite common. Characters with sharingan often have rivalries with other powerful characters. Another theme is the mystery surrounding the sharingan. Writers like to create stories that uncover secrets about the sharingan that were not known in the original Naruto series. Also, friendship is a theme, as characters with sharingan form bonds with others while dealing with the power and responsibilities that come with it.
Another theme is the exploration of the virtual world. Since it's a gamer fanfiction, the sharingan - enabled character often delves deep into different areas of the game world. They might discover secret quests or rare items that are only accessible because of their sharingan abilities. It's about using the unique power to uncover the mysteries of the virtual realm.
Naruto is usually a main focus, as the title implies it has to do with his connection to the eternal mangekyo. Sasuke is also often a key character. Their relationship and how it changes due to Naruto having the eternal mangekyo powers can be a major part of the story.