Another interesting aspect could be that in his personal dimension, Harry has a different set of friends. He might meet some students from other wizarding schools who are also in their own personal dimensions, and together they form a unique magical community.
Well, a cool plot for 'Harry Potter in Another Dimension' fanfic could be that Harry discovers he has a twin in this other dimension. His twin has been raised by Voldemort and has a very different view of the wizarding world. Harry has to find a way to convince his twin to abandon Voldemort's ways. Or, what if in this dimension, the Sorting Hat can talk out loud all the time and gives very different sorting decisions? For example, it might put all the brave students in Slytherin and the cunning ones in Gryffindor. It would be really interesting to explore how the relationships between the houses change.
One idea could be that in the alternate dimension, Voldemort won the war and Hogwarts is now a dark and dreary place where students are taught only dark magic. Another could be that the wizarding world is merged with the Muggle world in a strange way, like there are magical creatures running amok in London streets. Or perhaps in this alternate dimension, Harry was sorted into Slytherin and has to deal with a whole different set of challenges and prejudices.
A really cool plot could be that the traveler goes to a dimension where magic is fading away. They discover that it's because of an ancient curse. So, they embark on a journey to find the origin of the curse and a way to break it, all while interacting with alternate versions of the well - known Harry Potter characters.
Well, perhaps in some 'Harry Potter dimension jumper fanfiction', there's a dimension where the Marauders are still alive and they team up with the modern characters to fight a new dark threat. Or a dimension where magic is dying out and the jumper has to find the source of the problem and fix it. This could involve traveling to different magical locations in that dimension, like the Forbidden Forest which might hold some secrets.
One idea could be that in the alternate dimension, Voldemort won the war long ago. Hogwarts is now a dark and dreary place, with Death Eaters as teachers. Harry and his friends, who are part of an underground resistance, have to find a way to travel back in time to change the course of history.
Well, in some 'Dimension Hopping' Harry Potter fanfics, a character might hop to a dimension where the houses in Hogwarts have different characteristics. For example, Gryffindor could be known for its cunning rather than its bravery. Also, there could be a dimension where the wizarding world is merged with the Muggle world in a strange way, like magic is used openly in Muggle cities.
One interesting concept could be unique magical creatures that exist only in the pocket dimension. For example, there might be flying serpents with rainbow - colored scales that can communicate telepathically. Another concept could be the different rules of magic within the pocket dimension. Maybe spells work in reverse or require a different kind of wand movement. Also, the idea of hidden wizarding schools or communities within the pocket dimension, which have their own traditions and secrets, could be really fascinating.
You can start by creating a detailed description of how Harry discovers this personal dimension. Is it through a magical accident, or is it something he's been unknowingly searching for? Then, plan out the main plot. Will it be about self - discovery, or will there be a new threat emerging from this dimension? It's also important to keep the characters in - character. Harry should still have his core traits like his bravery and loyalty, even in this new setting.
One interesting concept is the interaction between Harry Potter characters and characters from other dimensions. For example, seeing how Harry and his friends would react to meeting characters from a sci - fi dimension with advanced technology. Another concept could be the magic system in Harry Potter interacting with different forms of power from other fictional universes. It can create really unique and exciting storylines.
One interesting idea in 'Harry Potter' fanfiction is the concept of alternate universes. For example, a fanfic might explore what would happen if Harry was sorted into Slytherin instead of Gryffindor. This could lead to a completely different set of relationships and storylines. Another idea could be time - travel fanfics where characters go back in time to change certain events in the wizarding world's history. It adds a whole new layer of complexity and intrigue to the original story.