Well, a frequent theme is probably the struggle for identity. In these kinds of fanfictions, a character with the Rinnegan might be grappling with who they are now that they have this powerful dojutsu. Are they still the same person? Do they become something else entirely? Also, the theme of redemption could be present. Maybe the character has done some bad things because of the Rinnegan's power, and they are trying to make up for it. It's like they are on a journey to find themselves and regain their moral compass.
One interesting concept could be exploring the reasons behind the abandonment of the Rinnegan in the fanfiction. Maybe it's due to some unforeseen consequences or a character's choice that goes against the typical use of the Rinnegan in the Naruto universe.
One common theme is power exploration. Writers often delve into how Madara's Rinnegan powers could be used in different scenarios, like battles against other powerful foes. Another theme is redemption. Some fanfictions might explore if Madara could be redeemed with his newfound power. And of course, there are also stories about his past and how he obtained the Rinnegan in the first place.
Well, a common theme is the alteration of relationships. With the Evil Rinnegan, Naruto's relationships with his friends and allies could change drastically. For example, some friends might be scared of him or turn against him. And in terms of the story's setting, it often involves a darker, more dangerous world. Since Naruto has this evil power, the balance of power in the Naruto universe is disrupted. Enemies might be more aggressive or new, more powerful enemies could emerge, drawn to the power of the Evil Rinnegan. It also often has themes of mystery, as the origin and true capabilities of the Evil Rinnegan in these fanfictions are usually something to be uncovered.
One common theme is power and its consequences. When a female Naruto has the Rinnegan, she has to deal with the great power it brings. For example, she might face envy from other ninjas or the temptation to use it for wrong reasons.
A frequent theme is adaptation. When the Rinnegan is introduced into a crossover, characters have to adapt to this new power dynamic. For example, in a Naruto - Harry Potter crossover, the wizarding world has to adapt to the existence of the Rinnegan. Also, redemption can be a theme. A character who has misused the Rinnegan may seek redemption in the crossover story.
Power. Most fanfictions focus on the extreme power of Madara's Rinnegan. They explore how it can be used to dominate battles or change the Naruto world. Another common theme is mystery. Since the Rinnegan has many unexplored aspects in the original series, fanfictions often try to uncover its secrets.
Another common theme is the relationship between Naruto and the fem Kyuubi. It could be a partnership, a friendship, or something more complex. The story often explores how they interact and grow together with this new situation of the fem Kyuubi having the Rinnegan.
Crossover chaos is also a theme. These fanfictions bring two very different universes together. So, there's often a sense of chaos as the rules, cultures, and characters from Naruto and Soul Eater collide. For example, in 'The Blended Realms', the different fighting styles and values from both series create a lot of interesting and sometimes comical situations.
One common theme could be isolation. Since Naruto is female in this fanfiction and abandoned, she might feel extremely isolated from the village that rejected her. This could lead to themes of self - discovery as she tries to figure out her place in the world without the support of the village. Another theme could be revenge. She might be angry at those who abandoned her and seek revenge in some way.
The themes usually revolve around abandonment, obviously. Naruto is left by those he trusted or the village as a whole. Coldness, both literal and metaphorical, is also big. This could be a cold - hearted treatment from others or an actual cold environment he's in. And then there's the theme of resilience. Naruto has to be strong in the face of all this. He has to find a way to keep going, to rise above the abandonment and the coldness that surrounds him. It's about his journey from being a victim of these things to being a survivor and perhaps even a conqueror.