Another plotline could be that the powerful heir is initially hidden among the normal students at Hogwarts. As they gradually discover their powers, they form unexpected alliances. For example, they might team up with some of the less popular characters in the original series. Their power could also be something that is not just magical but also has an impact on the political structure of the wizarding world, like being able to change laws or traditions with their sheer might, which would surely stir up a lot of drama.
One interesting plotline could be Harry exploring his new role as an heir and the powers or responsibilities that come with it. Maybe he discovers hidden family secrets or a new form of magic.
One interesting plotline could be the discovery of Harry's connection to Merlin and how it affects his magic in ways not explored in the original series. For example, he might have access to ancient spells or a deeper understanding of magic's origin.
One interesting plotline could be how the magical world of Harry Potter intersects with the Roman heritage. Maybe the heir of Rome has some ancient Roman magic that is unique and helps in the fight against Voldemort. For example, they might have the ability to use Roman battle spells or have a connection to Roman gods in a magical way.
Another plotline could involve the relationship between Harry and the wizarding world's reaction to his new status. Some might see him as a greater threat to Voldemort, while others might fear his new - found power. There could be a power struggle within Hogwarts as different factions vie for Harry's allegiance.
Well, perhaps there's a plotline where the heir of Anubis has to prove their heritage in the context of Hogwarts. They could face challenges from other students or even some of the professors who are skeptical. And as they try to prove themselves, they uncover secrets about the school that are related to Anubis, like hidden chambers or ancient spells that were once used by the previous heirs.
One interesting plotline could be the discovery of the Heir of Ravenclaw's special powers. Maybe they can access hidden knowledge in the Ravenclaw common room that no one else can. Another could be the heir's relationship with Harry Potter, perhaps they team up to face a new dark threat.
One interesting plotline could be the discovery of new magical abilities related to being the heir of God. For example, the character might be able to perform magic that is far beyond what normal wizards can do, like controlling natural elements in a much more powerful way. Maybe they can stop a raging storm or make plants grow instantly on a large scale.
One interesting plotline could be the discovery of the connection between being the heir of Pendragon and Harry's existing powers in the wizarding world. Maybe it gives him new abilities or a different perspective on magic.
One interesting plotline could be the discovery of a hidden magic by the heir that was lost since the founders' time. For example, a new form of spell -casting that combines the unique abilities of each founder's magic. This could lead to the heir having to face challenges from both the wizarding world who fear this new power, and dark forces who want to use it for evil.
One interesting plotline could be the discovery of the protagonist as the heir of Morgana. This might lead to a whole new set of magical abilities and a different understanding of the wizarding world's history. For example, they might find ancient spells or artifacts related to Morgana.