Fanfiction about Merlin having a twin sister: What are some interesting plot ideas?

One plot idea could be that Percy's twin sister is the opposite of him in terms of Hogwarts house. While Percy is in Gryffindor, she could be in Slytherin, causing a lot of family drama. Another idea is that she has a special magical talent that Percy is jealous of, like being able to communicate with magical creatures in a unique way. Or perhaps she gets involved in a secret society at Hogwarts that Percy disapproves of, leading to conflicts between them.

Maybe Merlin's sister is sent on a secret mission by the Lady of the Lake. She has to journey to a far - off land to retrieve a magical artifact that is crucial for the future of Camelot. Along the way, she meets various characters and overcomes many challenges, all while keeping her identity as Merlin's sister a secret.

Perhaps the twin sisters are from a different dimension. They end up in Edward's world by accident. Edward then has to help them adjust to this new world while also trying to find a way to send them back. This could involve a lot of humorous situations as the sisters misunderstand the customs and technology in Edward's world.

One possible plot could be that Naruto's twin sister is also a jinchuriki. She might have been hidden away in a different way than Naruto. For example, while Naruto was ostracized in the village, she could have been raised in secrecy by an ally of the Fourth Hokage. As they grow up, they both discover their connection and together they strive to change the perception of the villagers towards them. They could also train together and unlock new jutsu that combine their unique abilities.

One plot idea could be that Chuck's twin sister emerges from another dimension. She has different views on the story creation compared to Chuck. For example, she might want to save all the characters that Chuck has slated for destruction in his 'author' role. This could lead to an epic battle of wills between the two siblings over the fate of the Supernatural universe.

One idea could be that the twin sister has a special power that Harry doesn't. For example, she can communicate with animals. This would add a new dynamic to the story as she could use this ability to gather information or help in dangerous situations. Another plot could be that the twin sister gets sorted into a different house than Harry at Hogwarts. This would cause some tension and also show different perspectives within the wizarding world. A third idea is that the twin sister discovers a hidden secret about their family that Harry is oblivious to, and she has to figure out how to tell him and what to do about it.

She could be the key to solving a mystery that even the gods don't fully understand. Like there's an ancient prophecy related to their birth as twins, and she has to figure out her role in it. Also, her relationship with the other demigods at Camp Half - Blood could be explored. Does she get along better with some than Percy? And how does she handle the pressure of being Percy's twin in a place where he's already quite well - known.

One idea could be that the twin sister also has spider - like abilities but uses them in a different way. Maybe she focuses more on using her powers for scientific research and discovery, while Peter is more into the superhero aspect. For example, she could be developing a new type of web fluid that has additional properties.

Maybe the twin sister has a different approach to superheroing. While Tony is all about the high - tech gadgets and flashy suits, she focuses on using her intelligence to create solutions for the world's problems on a more grassroots level. She could be involved in projects like improving education in underprivileged areas or finding sustainable ways to provide clean water.

She could be the key to unlocking some long - forgotten secrets about their parents. Maybe she discovers a hidden diary or a magic object that reveals things about their family's past that even Dumbledore doesn't know. This could put her in danger as there might be dark forces who don't want those secrets to come out. Harry then has to protect her while they figure out what to do with the new - found information.