What are some interesting plot ideas for 'Harry Potter time travel harem fanfiction'?

One possible plot idea could be Harry having to balance his relationships with multiple characters from different houses while also dealing with the Dark Lord's threats. For example, he might form a bond with a Gryffindor girl who is brave and adventurous, a Ravenclaw who helps him with his studies and strategic planning against Voldemort, and a Hufflepuff who offers him emotional support during tough times.

A possible plot in the Harry Potter Teddy time travel fanfiction could be Teddy going back to the time of the founders of Hogwarts. He could be a sort of mediator between the four founders, especially if there were some disputes or misunderstandings that led to future problems in Hogwarts. Teddy could use his knowledge from the future to try and smooth things over. This would not only change the history of Hogwarts but also have a big impact on the future wizarding world he comes from.

Well, perhaps Harry travels back in time to the very beginning of the wizarding world. He discovers secrets about magic that have been long forgotten. He then uses this knowledge to make the wizarding world more inclusive and less divided by blood purity. Or he could time - travel during his own time period, like going back to his first year at Hogwarts over and over again to change small things that have big consequences in the future, like making sure Neville is more confident from the start.

Another plot could be that they travel back to the time when the Chamber of Secrets was first opened. Ginny, having been possessed by Tom Riddle in her own time, could use her knowledge to stop the young Voldemort from causing so much harm. Harry could also help by using his skills and knowledge of magic from his own time to combat the basilisk and keep students safe.

One idea could be a character going back in time to prevent a major dark wizard event that was overlooked in the original series. For example, they might try to stop the initial rise of Voldemort before he became so powerful.

Well, a plot could be that a character from the future, like a descendant of Harry Potter, travels back in time to the time of the Triwizard Tournament. This character could have some knowledge of future threats and tries to prevent certain events during the tournament that could lead to greater disasters in the future. They might try to stop Voldemort's minions from using the tournament as a cover to carry out their evil plans. They could also try to make sure that Cedric Diggory doesn't die, which would have a huge impact on the wizarding community as he was a very popular and promising young wizard.

One idea could be Harry traveling back to the time of the founders of Hogwarts. He could interact with Godric Gryffindor, learn from him, and maybe even influence the way the houses are initially set up. Another plot could involve Harry going back to the time when Voldemort was a student at Hogwarts. He could try to understand what made Voldemort turn so evil and perhaps prevent some of the early events that led to his dark path.

Maybe the Infinity Stones are scattered across the Harry Potter universe. The Avengers have to team up with Harry Potter and his friends to retrieve them. During this adventure, a love triangle or rather a harem - like situation develops. For example, Harry Potter could find himself in the middle of a relationship with Pepper Potts and Ginny Weasley. They would all need to work together to stop a new dark force that is attracted to the power of the Stones.

One idea could be that the OC is a transfer student from a far - off magic school. The harem could consist of characters from different houses. For example, Hermione could be attracted to the OC's vast knowledge of ancient magic that he or she learned from their original school. Ginny might be drawn to the OC's brave and adventurous spirit, similar to Harry's. And Luna could be interested in the OC's unique view of the magical world, which is different from Hogwarts' norm.

One idea could be that Harry Potter is transported to a different magical realm where he encounters characters from other stories in a harem - like situation. For example, he might meet characters from 'Lord of the Rings' and they all have to work together to face a new dark threat. Another could be that Harry's magic somehow combines with the powers of characters from a different anime - based magical world, and in the process, a harem of powerful female characters forms around him as they are intrigued by his unique magic.