Power and its implications are also common. If Harry has a new identity, it usually comes with different powers or limitations. Writers explore how he uses or struggles with these new powers. In some fictions, he may have to hide his powers to avoid danger, while in others, he uses them to change the wizarding world for the better.
Relationship changes are a big theme too. When Harry is someone else, his relationships with his friends, enemies, and teachers shift. His old friends might not recognize him at first, or his enemies might target him in new ways. These changes in relationships add a lot of drama and emotional depth to the fanfiction stories.
The theme of acceptance is also prevalent. Juvia may have to accept her new feelings, even if they go against what others expect of her or what she expected of herself. And she also has to deal with the acceptance or rejection from the person she loves, which can be a very emotional journey in these fanfictions.
Well, you might want to check out 'Harry's Double Life'. In this fanfic, Harry pretends to be a Muggle exchange student to investigate some mysterious events at Hogwarts.
One common theme could be the moral dilemma. The person involved often has to grapple with the knowledge that it's wrong to be involved with a married woman. Another theme might be the secrecy and the fear of being discovered. They have to hide their interactions, which adds to the tension in the story. And sometimes, there's the theme of the allure of the forbidden. The fact that she's someone else's wife makes her seem more desirable in a perverse way.
One popular 'Harry Potter is someone else fanfiction' could be those that reimagine Harry as a different type of wizard, like a wizard from a different magical culture. For example, there might be fanfics where he is more in tune with the ancient magic of the druids.
It's appealing because it allows fans to explore different possibilities. We get to see Harry in a new light, which can be exciting.
It could be a random wizard or witch from another school. Maybe a student from Beauxbatons or Durmstrang who crosses paths with Harry before he meets Ron or Hermione. This could lead to a whole new set of adventures and friendships that change the course of the story as we know it.
Maybe it's a powerful noblewoman from within the Seven Kingdoms. A woman who has been overlooked for marriage before but has her own influence and resources. Her marriage to Robert could be a way for her to gain more power and for Robert to gain more support within his own realm.
One possible plotline could be that Harry is raised by a Death Eater in disguise. This would lead to a very different Harry, perhaps one who is more conflicted about his place in the wizarding world and has to grapple with dark magic teachings from an early age.
One of the main themes is secrecy. The novel seems to revolve around the idea of someone else's secret, so it's likely that exploring how these secrets are kept, why they are kept, and what happens when they are revealed is a big part of it. Also, the theme of trust might be in there. If there are secrets, it can break trust among characters, and the novel may explore how that affects them. There could also be a theme of self - discovery as characters might learn things about themselves through dealing with these secrets.
They could go on an adventure to find a lost magical artifact. The two of them would have to face various obstacles, like dark creatures and complex spells set to protect the artifact.