It could be Darkseid from the Wonder Woman universe who somehow manages to enter the Sailor Moon world. He would be a powerful and menacing villain, using his powers to try and take over both worlds. His dark energy would be a contrast to the light and love - based powers of Sailor Moon and Wonder Woman.
It could be really interesting. Wonder Woman might take on the magical girl elements of Sailor Moon. Maybe she would have a transformation sequence similar to Sailor Moon's, with a tiara that has new powers. She could also team up with Sailor Moon characters to fight against a common enemy. For example, fighting against a powerful dark force that threatens both the Amazon world and the Sailor Moon universe.
Definitely not. Sailor Moon has a large and diverse fan base, including many young fans. Hentai fan fiction contains adult - oriented and often vulgar content that has no place in the Sailor Moon fan community. The community is centered around the celebration of the original story, characters, and their positive values, not such inappropriate derivatives.
One idea could be a 'what if' scenario. For example, what if Sailor Moon had to face an enemy that could manipulate time in ways she'd never encountered before. Another could be a story focusing on the relationships between the Sailor Scouts outside of battles, like a day in their normal lives at school. And a third idea could be a crossover with another popular anime universe, such as having Sailor Moon meet characters from Naruto and how they would interact.
In Sailor Moon fan fiction, the idea of self - discovery is also prevalent. Each of the Sailor Guardians has her own journey of learning about her powers and her role in the team. This can be delved into more deeply in fan stories, showing their growth from ordinary girls to powerful protectors.
A new character could be created as the main villain. This villain could be a powerful sorcerer who has studied the magics of both Sailor Moon and SVTFOE. He discovers a way to merge the two universes in a way that benefits him but is harmful to everyone else. He might try to control the Sailor Crystals and the magic of SVTFOE at the same time. To stop him, the characters from both universes would have to put aside their differences and fight together.
It could be an evil sorcerer who has the power to steal chakra and magical energy. He plans to use this stolen power to reshape both the Naruto and Sailor Moon universes according to his own dark desires. He's able to create powerful illusions that fool even the most experienced ninja and senshi, making him a very difficult enemy to face.
It's inappropriate. The essence of Wonder Woman is her strength, courage, and justice - not sexualization. Fan fiction should focus on aspects like her adventures, her relationships with other heroes, or her growth as a character, rather than introducing inappropriate sexual elements.
Perhaps it means that Wonder Woman has managed to break free from the constraints or inaccurate portrayals that often occur in fan fiction. Fan fiction can be a great creative outlet, but sometimes it might not align with the essence of the original character. So, if Wonder Woman has 'defeated' fan fiction, it could be that she has reasserted her true identity and capabilities as defined by her official creators, rather than being shaped by the sometimes wayward ideas in fan - made stories.
One of the memorable villains from the Sailor Moon manga is Jadeite. He's often involved in schemes to undermine the Sailor Scouts and gain power for himself.
First, you need to be really familiar with the Sailor Moon universe. Watch the anime, read the manga, and understand the characters' personalities, powers, and relationships. Then, come up with an interesting concept. It could be a new adventure for the Sailor Guardians, or a different take on a known story arc.