In 'Harry Potter Heiress Fanfiction', a common concept is the heiress being a key to some sort of ancient prophecy. This could change the whole dynamic of the wizarding world as we know it from the original books. Also, the heiress might have a different view on pure - blood supremacy or the treatment of house - elves, which could start some really interesting storylines.
Some fanfictions explore the concept of the heiress being from a long - forgotten family. This family might have been ostracized in the past for some reason. Her presence could stir up old rivalries or alliances. And she may have a unique magic that is related to her family's heritage, like the ability to communicate with magical creatures in a way that no one else can.
A possible plot is that as the Heiress of Ravenclaw, she discovers a secret library within Ravenclaw Tower that contains ancient spells and knowledge. But there are magical guardians protecting it. So, she has to use her intelligence and the help of her friends to bypass these guardians. This could lead to her learning a powerful spell that is crucial in the fight against Voldemort. Also, her relationship with the other houses might change. The Ravenclaws might look up to her more, while some Gryffindors might be a bit jealous at first but then come to respect her.
One interesting concept could be exploring more about the Marauders' time at Hogwarts. Fanfiction might expand on their adventures, like pranks they played that were never mentioned in the original book. Another could be different interpretations of Sirius Black's escape and his relationship with Harry during that time.
Some fanfictions in Harry Potter 2 might play with the idea of the basilisk having different powers or weaknesses. It could also explore the idea of a hidden connection between Ginny and the Chamber of Secrets that goes beyond what was in the original story. There might be fanfictions that change the role of certain characters, like making Neville a more central figure in solving the mystery of the Chamber.
One interesting concept could be exploring new magical creatures in the Harry Potter kingdom. Maybe there are some hidden species that haven't been discovered in the original series. Another could be alternative forms of magic that are unique to the fanfiction's version of the kingdom. And also, new relationships between different houses or characters can be quite fascinating.
One interesting concept could be the use of magic in relation to physical laws. For example, how spells might interact with gravity. Maybe a levitation spell actually counteracts the force of gravity in a way that can be explained through some made - up 'physics' in the fanfiction.
Well, some fanfictions play with the idea of blood magic in relation to family bonds. They might show how the blood of one's ancestors can be a source of hidden power or knowledge. For instance, a character discovers that their long - lost relative had a special blood - related spell that can only be activated by someone with their exact bloodline. It adds an element of mystery and heritage to the story.
One interesting concept could be the merging of the magical world of Harry Potter with the demon - slaying elements of Sparda. For example, a character from the Harry Potter universe might gain the power of Sparda and use it to fight dark wizards in a new and unique way. It could also involve crossovers where characters from both worlds interact, leading to unexpected alliances and conflicts.
One interesting concept could be the way animism is incorporated into the magical creatures. For example, how they might have their own spirits or consciousness that is more in - depth than what's shown in the original series. Maybe the hippogriffs have a collective spirit that influences their behavior towards wizards.
Another concept could be the inflation of Hogwarts itself. The castle growing larger and larger, with new and strange rooms and corridors appearing. This could lead to new mysteries for the students to solve, like finding a hidden chamber in the newly - inflated part of the castle that holds a powerful magical artifact.
Another concept is the idea of prophecies being manipulated. In some fanfictions, dark wizards or witches try to change the outcome of the prophecy by interfering with the events or people involved. This can create a lot of tension and drama as the characters fight against this manipulation.