Yes. In some fanfictions, the author might create an interesting plot where Harry Potter is shown as a fan of Grindelwald for various reasons. Maybe it's due to Grindelwald's powerful magic that Harry is intrigued by, or perhaps the author wants to explore a more complex relationship between the two characters outside of the original canon.
Well, it could be that Dumbledore has some sort of hidden device or spell that he activates when kidnapped. For example, he could have a charmed object that sends a signal to his allies, like the Order of the Phoenix. His allies then come to his rescue and he manages to escape during the chaos. Also, Dumbledore is extremely intelligent. He might outwit Grindelwald by engaging him in a complex conversation full of riddles and misdirections, which gives him an opportunity to break free.
He might give Harry detention. Harry could be made to clean the trophies in the trophy room or help Hagrid with some difficult tasks in the Forbidden Forest under strict supervision.
One possible reason could be that Harry breaks school rules in the fanfiction. For example, if he ventures into the Forbidden Forest without permission. Dumbledore is strict about the safety of students and such disobedience might lead to punishment.
Sure, there are such fanfictions. In these stories, the relationship between Harry and Grindelwald can be very different from what we see in the original series. Some fanfictions might show Harry as a sort of protege of Grindelwald, which completely changes the moral and power landscape. Others could be more about Harry trying to understand Grindelwald's motives from a different perspective, rather than just seeing him as a pure villain as in the main story.
One great 'Harry Potter Grindelwald' fanfic is 'The Rise of Grindelwald: A New Perspective'. It delves deep into Grindelwald's backstory and his early days, showing a different side of him that the official books and movies might not have fully explored. Another interesting one could be 'Grindelwald and the Lost Artefact'. This fanfic often takes the readers on an adventure with Grindelwald as he searches for a powerful magical item. And 'Harry Potter: Grindelwald's Heir' is also quite popular. It creates a unique plot where the idea of an heir to Grindelwald's power is introduced, which adds a whole new layer of mystery and intrigue to the Harry Potter universe.
Yes. Grindelwald was one of the main villains in the Harry Potter series of novels and movies. He was a dark magician who had once merged with Voldemort to become the two most powerful magicians.
One common theme is the struggle between good and evil. Their relationship is at the center of this, as Dumbledore represents good and Grindelwald represents a more complex form of evil. Another theme is the power of friendship and how it can turn sour.
For Harry, his friends like Ron and Hermione are likely to be his allies. They've always been by his side through thick and thin in the original series, so it's natural for them to support Harry in a confrontation with Dumbledore. Neville could also be an ally, given his growth and courage shown in the books.