Maybe Harry time - travels back to the time of Salazar Slytherin. He has to navigate the complex politics and magic of that era. He might end up befriending Slytherin and changing the course of Hogwarts' history. This could lead to a Hogwarts that is different in many ways, like having a more unified house system earlier on.
One plot idea could be that Hermione discovers a long - lost spellbook of Salazar Slytherin. As she delves into it, she starts to understand his view of magic in a new way. Maybe the spells in the book are different from what she has learned before, and she has to struggle with whether to use them or not, given Slytherin's somewhat dark reputation.
One interesting story could be about Salazar Slytherin's early days at Hogwarts. Maybe it shows how he first came up with the idea of the Chamber of Secrets and his reasons for it, which were not entirely malicious as some might think. He might have been trying to protect the school in his own way.
One idea could be a story where the wand chooses an unexpected heir of Slytherin. Maybe a Muggle - born who has some long - lost connection to Slytherin. The wand could lead this character on a journey to discover their true heritage and the secrets of Slytherin's past. Another idea is a story set during the time of the founders. The wand plays a crucial role in a conflict between Slytherin and the other founders, perhaps being the key to resolving their differences or causing a rift. A third idea could be that the wand has a hidden power that only a true Slytherin can unlock, and a group of modern - day Slytherins compete to see who is worthy.
One idea could be Harry having to deal with the prejudice from his Gryffindor friends. For example, Ron might be initially very suspicious and distant, which forces Harry to prove that he's still the same person. Another plot could involve Harry using Slytherin's more cunning and ambitious traits to fight Voldemort in a different way than in the original story. He might form alliances within Slytherin that were previously unthinkable.
Well, there's a fanfiction where Salazar Slytherin is brought back to life in the modern era. He has to adapt to the new Hogwarts, which is much more inclusive than in his time. He initially struggles with the idea of Muggle - borns being accepted, but through various interactions with students and teachers, he begins to see things differently. Another great one is about a hidden diary of Slytherin that contains not only dark magic but also his deepest thoughts and feelings. A young Slytherin student finds it and has to decide what to do with the knowledge it holds.
A plot could involve Slytherin Hermione and Harry being paired for a long - term project by a teacher who wants to encourage inter - house cooperation. At first, they struggle because of their different house values, but gradually they find common ground. For example, Hermione's Slytherin cunning helps them outwit some bullies who are trying to steal their project ideas, and Harry's Gryffindor courage gives Hermione the push she needs to stand up to some of the more elitist Slytherins who look down on her for her non - pure - blood status. Or perhaps they discover a hidden prophecy that only they can understand together, and it has something to do with a new threat to Hogwarts that combines elements of both Slytherin's ambition and Gryffindor's heroism.
One plot idea could be Harry struggling to fit in at first in Slytherin because of the house's reputation for dark magic, but then he discovers the true values of loyalty and cunning within it. He could form an unlikely friendship with a pure - blood Slytherin who helps him see that not all in Slytherin are bad. Another idea is that Harry uses his newfound Slytherin traits to outwit Voldemort in a different way than in the original story, perhaps by using more stealth and manipulation.
Well, Harry could be involved in a story where he tries to change the perception of Slytherin in the wizarding world. Since he is a well - known figure, his presence in Slytherin could be a catalyst for change. He might start a club or organization within Slytherin that promotes equality and friendship among all houses. And perhaps he has to face some challenges from the outside world too, like the Ministry of Magic being skeptical of his motives for being in Slytherin. Harry would then have to prove that his new Slytherin identity doesn't mean he has changed for the worse.
One plot idea could be that Harry discovers his Slytherin side is linked to a long - lost ancestor who was a great Slytherin wizard. This makes him question his identity and loyalty. Another could be that in Slytherin, he has to deal with the prejudice from the rest of the Hogwarts houses at first, but gradually changes their minds through his unique charm and skills.
A plot idea could be that Harry's reincarnation as Salazar is part of a grand prophecy. As he uncovers this truth, he realizes that he has a greater role to play in the wizarding world. He might start to gather followers who believe in the old ways of Salazar. This could cause a division in the wizarding community, with some seeing Harry as a savior and others fearing that he will bring back the dark and exclusionary ways of Salazar. Harry would then have to decide how to use his new identity for the good of all wizards.