One common theme is friendship development. They start off not getting along and then become close. Another is self - discovery. As they interact, both Mabel and Pacifica learn more about themselves. For instance, Pacifica might realize she doesn't have to be so uptight all the time.
One great fanfic could be 'The Bond Beyond Differences' where Mabel and Pacifica start off as rivals but gradually discover their shared interests and form a deep friendship that might turn into something more. It has really well - written character interactions.
In a good Pacifica x Mabel fanfiction, the writer should respect the source material. They can't just completely change the characters' personalities. It should also explore the unique dynamic between the two. Since Pacifica comes from a wealthy family and Mabel is more of a free - spirited, creative type, there are a lot of interesting scenarios that can be created from their interactions. The fanfiction could also introduce new elements that complement the Gravity Falls universe, like new creatures or locations that tie into their relationship.
Fanfiction.net is also a good place. There are many Gravity Falls fanfics there. However, the quality can vary more than on AO3. But if you search specifically for Mabel x Pacifica, you're likely to find some interesting reads.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). There are often tags related to 'Gravity Falls', 'Pacifica' and 'Mabel' that can help you narrow down the search. Some writers might also post their works on Tumblr, where you can search for Gravity Falls fanfiction blogs.
In Gravity Falls fanfiction centered around Mabel and Pacifica, the stories can take many directions. One common theme is the idea of growth for both characters through their relationship. Pacifica may learn to be more down - to - earth from Mabel, and Mabel might gain a bit of sophistication from Pacifica. Their friendship or more - than - friendship (depending on the fic) can also be a way to show different aspects of the Gravity Falls universe, like the social hierarchy in the town. And of course, there are always the cute moments where they share secrets or just have a good laugh together.
Pacifica could go from being a snobbish character to a more empathetic and loving one. Her relationship with Mabel could make her see the value in different kinds of people and experiences. For Mabel, she might become more confident in her own feelings and relationships, learning that it's okay to be different.
One possible plotline could be that they initially keep their relationship a secret from everyone in Gravity Falls. Mabel might be worried about how Dipper will react, while Pacifica is concerned about her family's image. But as they spend more time together, they realize they don't care what others think and decide to be open about their feelings.
One great fanfiction could be 'The Unlikely Bond'. It explores Dipper and Pacifica's relationship as they team up to solve a mystery in Gravity Falls that's been overlooked by the other characters. Their different personalities create an interesting dynamic.
Common themes in 'Gravity Falls Dipper x Pacifica' fanfics include acceptance. Dipper has to accept Pacifica's flaws and vice versa. There's also the theme of adventure. Since it's set in Gravity Falls, they often go on adventures together which strengthens their bond. And the theme of transformation. Their relationship transforms them as individuals. Pacifica becomes more empathetic and Dipper becomes more confident in his relationships outside of his family and friends.