Adventure is another theme. The girls often join Harry on his quests and adventures. They work together to solve mysteries, fight dark forces, and in the process, their relationships grow and develop in the context of these exciting adventures.
Love and sacrifice are common themes. Given her selfless sacrifice for Harry in the original story, fanfictions often explore this further.
Love and protection. Since his mother sacrificed herself for Harry, fanfictions often explore how that love still lingers and protects him in different ways.
Often, there are themes of love and sacrifice. Harry's mother sacrificed herself for him in the original story, and in fanfiction, this could be further explored in different ways. It might also touch on the theme of regret, perhaps on Harry's part for not having known his mother more. Additionally, some fanfictions might include themes of magic inheritance, with his mother passing on certain magical abilities or knowledge to Harry in unique ways.
One common theme is the exploration of forbidden love. Since Harry and Lucius are on opposite sides in the original story, their relationship in fanfiction often challenges the norms of the wizarding world. Another theme could be redemption. Lucius might be seen as redeeming himself through his relationship with Harry.
One common theme could be family dynamics. Since it involves Harry and his brother, exploring their relationship, whether it's full of love, rivalry, or a mix of both, is often seen. Another theme might be growth, like how they both develop as characters throughout the story.
One major theme is the power of a mother's love. In many 'Harry Potter and his mom fanfiction', Lily's love is depicted as a force that can even change the course of magic. There are also themes of family secrets. Maybe there are things about Lily's family or her own past that Harry discovers through these fanfictions, which add more depth to their relationship. Additionally, the theme of redemption can also be found, where Harry and his mother's connection helps in redeeming certain characters or situations.
Often, there could be themes of self - discovery. Harry might learn more about himself through his interactions with his dad in these fanfictions. Also, themes of acceptance, both of each other and of the situation they are in, can be quite common. The 'lemon' aspect might add an element of sensuality, which could be related to themes of love and attraction within the family context in a fictional and often very different take from the norm.
Some common themes could include internal conflict. The characters would have to grapple with their own feelings and the knowledge that their relationship is not socially acceptable. There might also be themes related to protection. For example, Harry might feel an even stronger need to protect his sister because of their romantic relationship. And the theme of sacrifice could also come up, as they might have to sacrifice their relationship for the greater good of their family or the wizarding world.
Often, there is a theme of Harry's isolation. Since in this fanfiction concept his parents are the abusers, he may feel even more alone than in the original story. Also, there might be a theme of self - discovery where Harry has to re - evaluate everything he thought he knew about his family and himself. This can lead to a more complex and nuanced character development compared to the original series.
One common theme might be the struggle against societal norms. Since this kind of relationship is not acceptable in the normal world, the fanfiction could explore how the characters deal with the outside world's judgment. But this is still a very controversial theme.