What are some interesting concepts in 'harry potter invisible fanfiction'?

One interesting plot could be Harry using an invisibility spell in a new way. For example, he might use it to spy on the Death Eaters' secret meetings without being detected. He could then use the information he gathers to outwit Voldemort. Another plot could involve Harry being invisible during a Quidditch match and using it to his team's advantage by confusing the opposing team. Or perhaps there's a fanfiction where an invisible Harry has to solve a mystery within Hogwarts that no one else can see is happening because he's the only one who can be undetected.

Some fanfictions in Harry Potter 2 might play with the idea of the basilisk having different powers or weaknesses. It could also explore the idea of a hidden connection between Ginny and the Chamber of Secrets that goes beyond what was in the original story. There might be fanfictions that change the role of certain characters, like making Neville a more central figure in solving the mystery of the Chamber.

One interesting concept could be exploring more about the Marauders' time at Hogwarts. Fanfiction might expand on their adventures, like pranks they played that were never mentioned in the original book. Another could be different interpretations of Sirius Black's escape and his relationship with Harry during that time.

One interesting fanfiction could be about Harry's invisible friend helping him discover hidden secrets in Hogwarts. Maybe the friend has special powers that normal wizards don't, like being able to see through ancient magic barriers.

One interesting concept could be the idea of Spongebob visiting Hogwarts. Imagine him in his square pants, trying to fit in among the wizards and witches, getting into all sorts of comical misadventures in the halls of Hogwarts, like accidentally turning the Great Hall into Bikini Bottom with his nautical nonsense.

Another concept could be mechas that are powered by magic crystals instead of traditional energy sources. These crystals could be mined from magical caves in the Harry Potter universe. The mechas could also have spells inscribed on their armor for added protection or offensive capabilities. For instance, a mecha might have a spell that repels dark magic attacks, which is activated when an enemy's dark magic - based weapon is aimed at it.

In Harry Potter cyborg fanfiction, there might be the concept of a cyborg Quidditch player. This player could have mechanical wings for faster flying or a built - in broomstick control system for more precise maneuvers. There could also be a story where Voldemort creates cyborg Death Eaters with enhanced dark magic capabilities through mechanical implants. And then there's the possibility of a cyborg Hagrid, with a mechanical arm strong enough to handle the most dangerous magical creatures.

One interesting concept could be alternative magical abilities for the characters. For example, giving Hermione the ability to control time in a different way than just using the time - turner. It adds a whole new layer to her character and the stories she can be involved in.

One interesting concept could be the Hogwarts Express being enchanted in new ways. For example, it might have the ability to travel through time as well as space. Another could be the idea of secret compartments on the train that are only accessible to certain students with special powers or knowledge.

One interesting concept could be the creation of new spells specifically for fighting. In fanfiction, authors might come up with spells that are more powerful or have unique effects compared to the ones in the original books. Another concept could be the different fighting styles of the characters. For example, they might show how Hermione would use her intelligence and knowledge of magic in a fight in a more creative way. Also, the idea of team - up battles where characters from different houses or even different generations join forces against a common enemy can be really exciting.