What are some interesting plot ideas for Harry and Acheron fanfiction?

One interesting plotline could be the exploration of a new magical bond between Harry Potter and Acheron. Maybe they discover a hidden magic that only they can access together, which helps them face a new dark threat in the wizarding world.

One interesting 'Harry Potter Acheron' fanfiction could be one where Acheron has some sort of magical connection with Harry Potter that was hidden for years. Maybe Acheron has the power to unlock a hidden potential in Harry that no one else knew about.

Maybe Harry is the only merman in a world where mermaids are common. He faces discrimination at first but then uses his unique abilities to save the underwater kingdom from a great danger. For example, he might have a special power to purify poisoned waters that the mermaids don't have.

One idea could be that Harry Potter is magically transported to the Avengers' universe. He could use his magic to help the Avengers in battles, like creating protective shields with spells. Another idea is that the Avengers are somehow sent to Hogwarts, and they have to learn about magic while also dealing with threats in the wizarding world. For example, Iron Man might try to figure out how to integrate his technology with magic.

Another plot could be set in an alternate universe where Nagini has a different origin. Maybe she was an ordinary snake that was experimented on by dark wizards, and Harry stumbles upon her during his travels. He then decides to help her break free from the dark magic that binds her, and in the process, they form an unlikely bond. This bond could then be tested as they face various threats from both the wizarding world and those who want to use Nagini for their own evil purposes.

Perhaps they form a secret club within Hogwarts where they plan elaborate pranks on the Slytherins. This could involve using their combined knowledge of magic and mischief to outwit their rivals in really creative ways. They might also end up uncovering some dark secrets about the Slytherin common room in the process.

One idea could be a story where Harry discovers a hidden spellbook that once belonged to Lupin's family. With Lupin's help, he tries to decipher the spells inside and in the process, they unearth a long - forgotten mystery about Hogwarts.

Another plot could be a time - travel scenario. Harry goes back in time and tries to understand his early years with the Dursleys better. He might try to change some of the negative interactions and make them more positive, like showing Dudley that there's more to life than bullying.

One idea could be that Buckbeak helps Harry in a secret mission in the Forbidden Forest. Maybe there are dark creatures there that only Buckbeak can sense, and his flying ability and sharp eyes are crucial for Harry to complete the mission.

One idea could be that the Chasers create a new super - secret Quidditch move that Harry has to learn in order to defeat a powerful rival team. Another could be a story where the Chasers take Harry on a wild adventure outside of Hogwarts during a break from school to search for a rare magical Quidditch item. Or perhaps a plot where the Chasers and Harry form a special bond over dealing with a bully on the Quidditch pitch who is using dark magic to gain an unfair advantage.