There's 'The Demon - Backed Inheritance'. This fanfic might explore how a character inherits a demon - backed power that has been long forgotten in the Potterverse. It could involve delving into ancient magic and the character's struggle to control this new - found power without being consumed by it. For example, they might accidentally use it in the wrong situations and have to face the consequences.
One interesting 'Harry Potter Demon Lord' fanfiction could be 'The Dark Ascent of Harry Potter'. In this fic, Harry discovers a hidden power within him that has a connection to the Demon Lord lore in the wizarding world. It might show him struggling with this new, dark side of his magic while still trying to do good. Another could be 'Harry Potter and the Demon Lord's Heir'. This one might explore the idea of Harry being related to a Demon Lord in some way and how that changes his journey at Hogwarts.
Well, a great 'Harry Potter Demon Servant' fanfiction could involve the demon servant being from a different magical realm. It could be that this servant is initially misunderstood by Harry and his friends, but as they get to know each other, they form a strong bond. Maybe the servant has a special ability to communicate with magical creatures, which comes in handy during their adventures at Hogwarts. Or perhaps it's a story where the demon servant has to fight against its own kind to protect Harry and Hogwarts.
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.
You can start by visiting popular fanfiction websites like FanFiction.net or Archive of Our Own (AO3). Use their search functions and type in 'Harry Potter Demon Back'. This will bring up a list of relevant fanfictions. You can also join Harry Potter fan communities on platforms like Reddit or Tumblr. There, you can ask fellow fans if they know of any good 'Harry Potter Demon Back' fanfictions.
One great double back Harry Potter fanfiction is 'The Second Chance'. It takes the story in a new direction where Harry gets a chance to redo certain events and change the outcome. It's really exciting as it shows a different side of the wizarding world we thought we knew well.
A popular one is 'Laid - Back Harry's New Adventures'. In this story, Harry, with his laid - back nature, stumbles upon some hidden secrets of Hogwarts that others have overlooked. His relaxed attitude allows him to approach these discoveries with an open mind. He befriends some of the less - known magical creatures in the Forbidden Forest and has a series of light - hearted adventures that deviate from the more serious and dangerous plotlines of the original series.
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 '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 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.
One interesting plot twist could be when a character who was originally a minor antagonist in the original series becomes a key ally in the 'back to the past' scenario. For example, in some fanfictions, Draco Malfoy might end up joining Harry's side early on, changing the whole dynamic of the story. Another could be when a major event from the original series is prevented, like Sirius Black's death. This creates a whole new set of consequences and relationships that the author can explore. And sometimes, the way magic is used in these fanfictions can be a plot twist. Maybe a character discovers a new type of magic that wasn't in the original books, which gives them an unexpected advantage in the 'back to the past' world.