Yes, there might be some out there. Fanfiction websites often have a wide variety of stories, including ones with unique plotlines like this. You can try searching on popular fanfiction platforms like Archive of Our Own or FanFiction.net.
The plot could involve Cinder's pregnancy being a result of some sort of experiment or magical mishap. She then has to figure out how to either keep the baby or reverse the situation, all while still being a major player in the RWBY universe. This could lead to some interesting interactions with other characters, like how they react to her new state and how she uses it to her advantage or disadvantage in her power struggles.
Yes, there are some. You can check fanfiction websites like Archive of Our Own. Just search for 'rwby naruto x cinder' in the search bar and you'll find a variety of stories written by different authors. However, the quality may vary, so you might need to read a few to find the ones that suit your taste.
There's also 'The Hidden Side of Cinder'. This one focuses on Cinder's relationships with other characters in a more in - depth way. It shows how she might interact with people outside of her usual villainous deeds and gives a fresh perspective on her character.
If in fanfiction Cinder is Ruby, it would be a total game - changer. Ruby is the symbol of hope in RWBY, and Cinder is a symbol of destruction. So, this switch would create a really interesting narrative. The story could explore how Cinder, in Ruby's body or identity, would deal with Ruby's responsibilities. Would she try to uphold Ruby's values? Or would she slowly corrupt them? And how would the other characters react? They might initially trust her because she looks like Ruby, but as they start to notice the differences in her behavior, it would lead to a lot of conflict and drama.
Salem in RWBY fanfiction is often depicted as the main villain. She has a grand plan that she is slowly working towards. Cinder is a key player in Salem's plans. She is the one who often does the dirty work on the ground.
There are some great ones out there. Some focus on an alternate universe where Ruby and Cinder have to team up for some reason, like to defeat a common enemy that's even more powerful than Salem. Others might explore a more romantic side of their relationship, showing how they gradually come to understand and care for each other in unexpected ways.
One common theme is redemption. Many fanfictions explore the possibility of Cinder finding a way to atone for her actions. Another is power - seeking. Since Cinder is often depicted as power - hungry, fanfictions may expand on her pursuit of more power. And there's also the theme of identity, as she tries to figure out who she really is beneath all the villainy.
One possible fanfiction idea could be that Cinder and Pyrrha are long - lost sisters separated by some dark event in their past. In this fanfic, Cinder could be on a journey of redemption after realizing her sister is Pyrrha. Pyrrha, on the other hand, might struggle with the idea at first but then come to accept Cinder. Their relationship could develop as they face common enemies in the RWBY universe.
In some fanfictions, Cinder's change way might involve a shift in her alliances. For example, she could break away from Salem due to some internal conflict. This could lead to her seeking refuge with the main characters, and in the process, she has to learn new values and ways of life. She may struggle with her past actions but gradually grow into a better, more complex character.
One great RWBY Ruby and Cinder fanfiction is 'The Unlikely Alliance'. It explores a scenario where Ruby and Cinder are forced to work together against a common enemy. The story does a great job of developing their characters in this new context.