One interesting theme is Snape's redemption. Many fanfictions explore how he tries to make up for his past mistakes or actions that were misinterpreted. Another theme could be his relationship with Lily Potter, not in a romantic or inappropriate way, but more about their friendship and how it influenced his life.
One interesting theme is redemption. Fanfictions often explore Snape's journey towards redemption through his interactions with Harry. Another theme could be forgiveness, as Harry might come to understand and forgive Snape's past actions. Also, the theme of mentorship can be seen, where Snape takes on a more positive role in Harry's life.
There's a fanfiction that delves into Snape's past and how his relationship with Harry could have been different if he had revealed certain secrets earlier. In this story, Snape and Harry end up working together to fight a new dark threat in the wizarding world. It's full of mystery and adventure.
One popular theme is Snape's hidden admiration for Harry's skills. Another could be Snape's internal struggle with his past and how it relates to his view of Harry.
Another plot could involve the child having special powers or a unique connection to the magical world because of Snape as their father. For example, they might have an extraordinary talent for potions, like Snape, and this draws the attention of both good and bad wizards. It could create a story full of adventure as the child is caught in the middle of different factions vying for their loyalty.
One possible interesting plot could be Snape having to follow Harry Potter's lead in a dangerous mission. Maybe they are in a situation where Snape has no choice but to trust Harry completely, which is a big change from their usual relationship in the original books.
Perhaps in the fanfiction, Snape assigns Harry to clean all the old potion vials in the storage room during detention. While doing so, Harry discovers an old diary that seems to hold secrets about Snape's past at Hogwarts, which then leads to a series of revelations and a change in their relationship.
One interesting fanfiction could be about Snape secretly mentoring Harry outside of Hogwarts. In this story, Snape realizes the importance of Harry's role in the wizarding world and decides to give him extra training in potions and defense against the dark arts without Dumbledore's knowledge. It shows a different side of their relationship, less adversarial and more collaborative.
There are fanfictions that focus on Snape's role in the wizarding war from a different perspective. For example, how he secretly influenced certain events to protect Harry without anyone really knowing. He could have been involved in undercover operations that are not mentioned in the original books.
A great plotline might be that Snape adopts Harry secretly at first. Harry starts to notice some changes in his life, like getting better study materials and more personal attention in his magical education. As time goes on, Snape has to face his own demons while raising Harry. He might struggle with his past hatred for James Potter while seeing James in Harry. At the same time, Harry could be trying to figure out why Snape is being so nice to him all of a sudden, which could lead to a journey of self - discovery for both of them.
One interesting plot could be Harry growing up with Snape's strict but ultimately caring guidance. Snape might teach Harry potions from a very young age, and Harry could develop a different kind of magic skill set compared to canon. Another plot could involve Harry having to deal with the Slytherin side of the wizarding world earlier, as Snape has strong Slytherin ties. Also, the relationship between Harry and Snape could be a complex mix of father - son dynamic and teacher - student relationship, which would be really fascinating to explore.