In some 'harry potter unknown heir fanfic', the heir might be an outsider in the wizarding world, not from a well - known pure - blood family. This could create a story where they face discrimination and prejudice from some of the traditional wizarding families. But at the same time, their unique perspective and new - found powers help them to make allies among those who believe in equality and change in the wizarding world.
One idea could be exploring how the Heir of Arcturus Black discovers hidden Black family magic. Maybe they find a secret chamber in the Black family home filled with ancient spells and artifacts. Another could be their interaction with Harry Potter. They might team up to fight against the resurgence of dark wizards in Hogwarts.
A plot idea might be that the wizarding world initially turns against Harry when they find out he's Voldemort's heir. However, Harry uses this new identity to his advantage by understanding Voldemort's motives better. He could start to study dark magic not to use it for evil, but to find ways to counter it more effectively. For example, he might find a way to use some of the spells Voldemort created to protect the school instead.
Another possibility is a student at Hogwarts who has always been in the background. A shy or overlooked character who suddenly discovers that they are the unknown heir. For instance, Neville Longbottom could be an interesting choice. He has shown great courage and growth throughout the series, and if he were revealed as the heir, it would give his character a whole new level of importance.
One idea could be that the heir of Sauron somehow infiltrates Hogwarts under a false identity. He tries to use the chaos of the wizarding world to his advantage to gather power. Another could be that there is a prophecy that links the heir of Sauron with Harry Potter, and they must either fight or unite depending on how the story unfolds. Or perhaps the heir of Sauron is actually a long - lost relative of one of the Hogwarts professors, which adds a layer of mystery and conflict.
One idea could be that the heir discovers a long - lost spell created by one of the founders. For example, a spell that can heal any injury instantly. Another could be that the heir has the ability to communicate with the spirits of the founders for guidance in times of great danger. Maybe they get visions from the founders about how to defeat a new dark wizard that is emerging.
Well, a cool plot in 'Harry Potter Hogwarts Heir Fanfiction' could be that the heir is actually a character we least expect, like a Muggle - born. This would challenge the traditional ideas about pure - blood and half - blood supremacy in the wizarding world. They could use their unique perspective as an heir to bring about changes in Hogwarts' curriculum and social structure. For example, they might introduce new forms of magic that are more inclusive of different backgrounds.
In this fanfiction, a really interesting plot could be that the heir of Dracula is actually a long - lost relative of one of the main characters. This discovery could stir up a whole lot of emotions and politics within the wizarding families. Also, the heir might bring in new forms of magic that are related to their vampiric heritage. For instance, the ability to transform into a bat - like creature at will, which could be used for both good and bad depending on the situation. This would create a whole new dynamic in the battles and relationships within the story.
One interesting plot idea could be exploring how Harry discovers he is the heir of Peverell in a more secretive and dangerous way. Maybe he has to decipher ancient Peverell family codes hidden in Hogwarts that lead him to his true heritage.
There are various plot ideas. Some fanfictions might explore the idea that the heir of Slytherin is not a single individual but a group of people who have been secretly working to change the reputation of Slytherin house. They could be working against dark wizards within the house who are trying to revive the old ways of pure - blood elitism. Or perhaps the heir has a connection to an ancient magic that is tied to Hogwarts itself, and in order to save the school from a new danger, they must unlock this magic. It could also be a story where the heir is in a love triangle with a Gryffindor and a Hufflepuff, adding a romantic element to the plot while still dealing with the challenges of being the heir of Slytherin.
One interesting plot point might be the discovery of ancient spells or artifacts that are only accessible to the heir. For instance, Harry could find a spell book that has been hidden for centuries, filled with powerful spells that were thought to be lost. This could lead to him having to master these spells quickly to face a new threat to Hogwarts. Also, his connection to the founders of Hogwarts could be explored more deeply, like having visions of how they built the school and what their intentions were for the heir.