Well, in a lot of these fanfictions, a common theme is the clash of cultures. Harry coming from what is seen as a 'good' Gryffindor - type background into Slytherin. There's also the theme of secrecy. Slytherin is often associated with secrecy, and Harry might have to keep certain things about himself hidden. And then there's the theme of transformation. Harry is transformed not only by the Sorting Hat's decision but also by the experiences and relationships he has within the Slytherin house.
Another theme is gender roles. It shows how a female in the position of the 'Boy Who Lived' challenges the traditional gender roles in the wizarding society. This can be seen in how she interacts with male and female characters, and how she's treated by others. In some fanfics, she has to fight against the preconceived notions of what a female can and can't do in the magical world.
Power is also a common theme. In these fanfictions, the WBWL character may have different powers or a different way of using magic compared to Harry. They might have to learn to control and use their power in a world that has certain expectations based on what Harry Potter could do. And family plays a role too. How the character's family, whether it's their birth family or the family they find along the way, affects their journey in this alternate scenario is often explored.
One common theme is identity. Since the main character is a female Harry in a world where things have changed due to Voldemort marking Neville instead, she has to figure out who she is in this new context. Another theme is friendship. How her relationships with characters like Ron and Hermione might be different. For example, in some fics, the female Harry might have a closer bond with Hermione as they can relate more as girls.
One common theme is self - discovery. Harry realizes he has these unique powers and has to figure out how to use them. Another is the idea of being an outcast, as his wandless magic may not be fully understood by others. For example, some characters in the fanfiction might be suspicious or jealous of his abilities.
In these fanfictions, the theme of legacy is really prominent. Harry being related to Slytherin means inheriting a complex and often controversial legacy. Another theme is friendship. How Harry's relationships with his friends change when this new connection to Slytherin is revealed. And there's also the theme of destiny. Writers often play with the idea that Harry has a new, different destiny because of his link to Salazar Slytherin. It could involve changing the fate of Hogwarts, the wizarding world, or even the balance between good and evil.
One common theme is redemption. Since Slytherin has a bit of a bad reputation in the original series, many fanfictions focus on female Slytherin characters trying to prove that they are not all bad. For example, they might show kindness to those in other houses or use their Slytherin cunning for good.
In 'Harry Potter Master of Death WBWL' fanfiction, themes like self - discovery are prevalent. Harry has to figure out what it means to be the Master of Death and how it ties in with his WBWL identity. Family also becomes an important theme. He might explore his family history in a new light, given his unique position. Additionally, the battle between good and evil is often reimagined. His power as the Master of Death can change the dynamics of the fight against Voldemort, and this is a theme that many fanfiction authors like to play around with.
One common theme is redemption. Slytherins are often seen as the 'bad guys' in the original series, so protecting Harry gives them a chance at redemption. For example, they might be trying to make up for past wrongs or the actions of other Slytherins.
Another theme is loyalty within Slytherin house. Some fanfictions explore how Slytherins can be loyal to their own, even in the face of external challenges or when their actions seem at odds with the general Hogwarts population. It often shows a complex web of relationships within the house. For example, a Slytherin might be loyal to a friend who has been ostracized by the other houses. Also, power and ambition are often themes. Since Slytherin values these traits, fanfictions might explore how characters use their ambition in different ways, whether it's for personal gain or for the greater good of the wizarding world. This can lead to interesting character arcs where a Slytherin has to make difficult choices between their own desires and what is right for the community.
One common theme is redemption. Harry often has to prove himself to the Slytherins who abuse him, and in the process, some of his abusers might see the error of their ways. Another theme is resilience. Harry endures the abuse and grows stronger from it, showing his Gryffindor - like courage even while in Slytherin.