There might be a fanfiction where the dragons in Valyria are related to the dragons in the Harry Potter universe. For example, perhaps a spell from Harry Potter is used to control a Valyrian dragon, leading to all sorts of adventures and challenges for the characters.
Some dedicated Harry Potter fanfiction blogs might also be a good source. These blogs sometimes feature lesser - known fanfictions, and if you're lucky, you might stumble upon some great 'Harry Potter Valyria' fanfictions that haven't been widely discovered yet.
One possible plot could be Harry Potter discovers he has some ancient connection to Valyria. Maybe he finds a hidden portal in Hogwarts that leads to the remnants of Valyria. There he could learn ancient magic that gives him new powers and he has to use these powers to fight off dark forces that are threatening both the wizarding world of Harry Potter and the remaining magic in Valyria.
One interesting Harry Potter 1945 fanfiction could be about the early days of Hogwarts and how the magical world was different back then. Maybe it focuses on the founding of certain magical traditions that we see in the main series but are not fully explored. For example, it could detail how the houses were originally established and what the selection criteria were like in 1945.
One interesting 'Harry Potter Lord Potter' fanfiction could be the ones where Harry discovers his true heritage as 'Lord Potter' much earlier and starts to reshape the wizarding world's politics. It often involves him being more assertive and using his family's ancient powers and influence.
In some fanfictions, Smart Potter is not just book - smart but also socially smart. He uses his intelligence to understand the political undercurrents in the wizarding world. He might form alliances with different houses and magical creatures to bring about a more inclusive and harmonious wizarding society, all while still being a student at Hogwarts and dealing with his regular classes.
One interesting fanfiction could be about Albus Potter's adventures at Hogwarts that mirror his father Harry's, but with his own unique twists. For example, he might face a new dark wizard threat that is related to the past but in a different way. Another could be a story where Albus discovers a long - lost spell that Harry never knew about and uses it to save the wizarding world. There are also fanfictions that focus on the relationship between Albus and his family, like how he copes with the pressure of being Harry Potter's son.
One interesting fanfiction could be 'Ginny's Hidden Adventures'. In this, Ginny might go on a secret quest while Harry is away on Auror business. It could show her as a strong and independent witch, using her skills to solve mysteries in the wizarding world.
One interesting Harry Potter weapon fanfiction could be about the creation of a new, enchanted sword that has the power to deflect dark magic spells. It might be a weapon crafted by a young wizard in secret, using ancient spells and rare magical materials.
In some fanfictions, the values taught in the church could be paralleled with the values in the wizarding world. For instance, concepts like love, forgiveness, and justice are important in both. A fanfiction could explore how a character's upbringing in the church affects their actions and decisions at Hogwarts, like when they face challenges such as dealing with bullies or choosing between right and wrong.
One interesting 'Harry Potter and Azkaban' fanfiction could be about Harry exploring more of the secrets within Azkaban before his third year. Maybe he discovers a hidden passage that leads to an ancient wizarding artifact. Another could be a story where Sirius Black has an entirely different plan while on the run from Azkaban, one that involves helping other wrongly imprisoned wizards escape. And there are fanfictions that focus on the Dementors' origin and how it relates to Azkaban, like a theory that they were created by a dark wizard who once ruled the prison island.