Family is a big theme. Since Harry is now part of the Weasley family as Ron's little brother, stories often explore the new family dynamics. Another theme is friendship. His relationship with Hermione and the other Gryffindors changes as he is now a Weasley. Also, identity is a theme. Harry has to figure out who he is in this new role.
The theme of growth is also prevalent. Ron starts as the little brother but as the story progresses in the fanfiction, he can grow into his own person, learning to stand out and be confident despite his position in the family. This growth can be both in terms of his magical abilities and his personal relationships.
Family relationships are a common theme. Since Harry is a little brother in these fanfictions, there's often exploration of his bond with his siblings, like how they protect each other or have sibling rivalries. Another theme could be self - discovery. As a little brother, Harry may have different aspects of his identity to figure out compared to the original story.
One common theme is family dynamics. Since Harry is now part of the Malfoy family, there are a lot of changes in how he interacts with his new family members, including Draco. Another theme is identity. Harry has to re - evaluate who he is in this new context.
One common theme is protection. Sam and Dean are always protective of Harry, and Harry also tries to protect them with his magic. There's also the theme of discovery, as Harry discovers the world of hunting and Sam and Dean discover the magical world through Harry. It makes for an interesting exploration of different powers and cultures within the fanfiction.
Friendship is a very common theme. Most fanfictions explore the deep bond between Harry and Ron, like how they are always there for each other through thick and thin. Another common theme is adventure. They often go on new adventures together, facing challenges and solving mysteries.
One common theme could be the exploration of their relationship in a new light. Since it's an unexpected situation, it often leads to a re - evaluation of their friendship and how it might turn into something more. Another theme might be the reactions of their friends and the wizarding community, as this is a very unconventional situation in the Harry Potter world.
Often, there's the theme of breaking the boundaries of traditional friendship. It might show how their bond could evolve into something more romantic. Another theme could be the reaction of their friends, like Hermione, to this new development in their relationship. Writers might also use it as a way to explore the wizarding world from a different perspective, as the relationship change could impact how they interact with the magical society around them.
Miscommunication is often a big theme. Sometimes, they don't fully explain their thoughts or feelings to each other, which causes an argument. Also, loyalty can be a theme. There could be a situation where they think the other isn't being loyal enough, like if one is spending too much time with someone else. This makes for some really intense argument scenes in the fanfiction.
Another common theme is growth. The characters grow up in the original series, but fanfiction can show even more of their personal growth. Hermione might become an even more powerful witch, Harry could further develop his leadership skills, and Ron might overcome more of his insecurities. This exploration of their individual growth while still maintaining their group dynamic is really interesting in a lot of the fanfictions out there.
One common theme is Ron's self - discovery. In many fanfictions, Ron goes on a journey to find out more about himself, his abilities, and his place in the wizarding world. Another theme is friendship. Since Ron is such an important part of the trio, his relationships with Harry and Hermione are often explored in different ways. For example, how they handle arguments or how they support each other through tough times.