Well, in such fanfiction, a great plot point could be the relationship between Snape and Harry evolving from animosity to a father - son like bond. Also, Harry might learn some of Snape's more secretive Potions techniques, which could be used to his advantage in the wizarding world. He could also face challenges from other Slytherins who are not happy about Snape's special treatment of Harry.
One interesting plot point could be Snape's internal struggle as he decides to save Harry. He has his own complex history with Harry's parents, so having to put aside his grudges and protect the boy adds a lot of depth. Another might be how Harry reacts to being adopted by Snape. Does he initially resist or is he secretly glad to have someone who truly cares in this new version of the story? Also, the way Snape has to hide this new relationship from the rest of the wizarding world to protect Harry from potential enemies or those who might not understand his motives.
In this fan fiction, an interesting plot point might be the reaction of the other characters to Snape saving Harry. Some might be suspicious, thinking Snape has an ulterior motive. And when it comes to Bloor adopting Harry, it could create a rift between the wizarding worlds of Hogwarts and Bloor's. Harry may find himself in the middle of a power struggle between the two institutions, trying to bridge the gap and bring about a new era of cooperation.
One interesting plot point could be how Fem Harry manages to navigate the typically male - dominated Slytherin house politics. She might have to use her wits in different ways compared to the male Harry in the original story.
In 'Dumbledore adopts baby Harry fanfiction', an interesting aspect could be how Dumbledore chooses to educate Harry. He might introduce him to different magical cultures and theories much earlier than in the original story. Also, the relationship between Dumbledore and the other Hogwarts staff when they find out he has adopted Harry. Some might be supportive, while others might worry about the potential implications for Hogwarts and the wizarding world as a whole.
In some 'Snape Adopts Harry' fanfictions, there is a plotline where Snape and Harry have to work together to uncover a mystery at Hogwarts. This mystery could be related to the Dark Arts or some hidden secrets of the school. Along the way, their relationship evolves from a reluctant guardian - ward relationship to a more loving father - son bond. Harry might start to understand Snape's past actions and Snape, in turn, learns to open up and be more affectionate towards Harry.
In some fanfiction, the Occlumency lessons lead to a mental connection between Harry and Snape. This connection allows them to share emotions and thoughts in a way they never expected. For instance, Snape might experience Harry's fear of losing his friends, and Harry might understand Snape's love for his mother on a deeper level. This connection forces them to reevaluate their relationship and work together more closely against the common enemy, Voldemort.
One possible plot point could be Snape spanking Harry as a form of punishment for Harry's misbehavior in potions class. Maybe Harry was being reckless with ingredients and Snape, in his strict way, decides on this extreme form of discipline.
Harry may become more cunning as he is in Slytherin. He might be more guarded in his actions and words.
Another plot point could be the way Harry tries to prevent Tom from turning into Voldemort. He might use his own experiences of fighting Voldemort to guide Tom away from the dark path. Maybe he shows Tom the consequences of dark magic through his memories, which could be a very emotional and impactful moment in the fanfiction.
One interesting plot point could be Loki's initial struggle to understand Harry's world. Since Loki is from a different realm, he might find the magic in Harry's world both familiar and yet different. Another could be how Harry reacts to having Loki as a guardian. He's used to a certain way of life at Hogwarts and with the Dursleys, and Loki's presence would disrupt that normality. Also, the interactions between Loki and the other characters in Harry's world, like Dumbledore or Voldemort, would be full of intrigue. Dumbledore might be cautious of Loki's motives, while Voldemort could see him as either a threat or a potential ally.