One common theme is the rediscovery of self. When Percy is deaged, he has to re - learn things about himself, like his powers and his place in the world. Another theme is the shift in relationships. His friends may treat him differently, and his enemies might not take him as seriously at first.
The theme of protection often comes up. His friends feel more protective of him in his deaged state. And also, there's the theme of growth. Despite being deaged, Percy still manages to grow and develop in different ways, like learning new ways to use his powers or understanding his friends better. For example, in some fanfictions, he forms closer bonds with certain characters because of his new - found vulnerability. It makes for some really interesting character dynamics.
Well, a lot of 'deaged Hermione' fanfics have the theme of redemption. It could be that in her older self, she made some mistakes that she now has the chance to correct in her deaged state. And of course, the theme of mystery is there too. How she got deaged and what the consequences will be are often elements of mystery in these stories.
Time - related themes are quite common too. Sometimes the deaging is linked to time - travel, and this can lead to themes of changing the past or understanding the importance of events in a new way. There can also be a theme of growing up again, but in a different way this time. Harry might learn things he missed the first time around while growing up, and this new growth process can be a central theme in many deaged Harry fanfictions.
In deaged Snape fanfiction, the theme of redemption can be quite prominent. It gives Snape a chance to rewrite some of his past actions or at least be seen in a new light. There's also the theme of identity crisis. He's not the same old Snape, and he has to figure out where he fits now. Additionally, the theme of adaptation is common. He has to adapt to his new physical state, new social situations, and new magical abilities or limitations that come with being deaged.
Another theme is the change in power dynamics. A deaged female character may have less power or knowledge compared to her older self. This can lead to situations where other characters have to protect her or teach her. It can also create interesting plot twists as she tries to regain her former abilities or status in a different way. In a fantasy fanfiction, perhaps a deaged sorceress has to relearn her magic in a world that has changed since she was last young.
One common theme is the struggle to adapt. When Batman is deaged, he has to adapt to his new body and limitations. Another theme is the re - evaluation of relationships. His friends and foes might see him differently, and he has to navigate those changes.
One common theme is redemption. Often, the characters who abused Harry when he was deaged have a chance to redeem themselves later in the story. Another theme is self - discovery. Harry, being in a new and vulnerable state, discovers new aspects of his personality and magic.
One common theme is the idea of innocence regained. When Danny is deaged, he often has a more innocent view of the world, which contrasts with his normal teenage self who has seen a lot as a ghost hunter. Another theme is the change in relationships. His friends and family may have to take on different roles, like becoming protectors or caretakers.
Another theme is friendship. When Draco is deaged, he often forms new relationships. In some fanfics, he becomes friends with characters he used to oppose, like Harry and his friends. It shows how circumstances can change relationships.
One common theme is the idea of second chances. With Harry deaged, Sirius gets a chance to be a better guardian or mentor, sort of like a redo of their relationship. For example, in many stories, Sirius is able to prevent some of the traumas Harry faced in the original story.
One common theme is the rediscovery of innocence. When Harry is deaged, he gets to experience the magic world anew, without the heavy burdens he had as a teenager. For example, in many such fanfics, he's excited about simple spells again.