Perhaps in this fan fiction, Niall and Harry are on a school trip to a historical site. They get separated from the group and end up finding an old diary that leads them on a mystery - solving journey. They have to figure out who the diary belonged to and what secrets it holds while trying to find their way back to the group.
The fan fiction might be centered around a school trip where Niall and Harry are paired up for a project. At first, they don't get along so well, but as the trip progresses, they start to understand each other better. They face challenges like bad weather during an outdoor activity, and through working together to overcome these challenges, they become good friends.
Maybe the antagonist could be a strict teacher on the trip. This teacher doesn't like Niall and Harry's carefree attitude and is always trying to get them in trouble, like giving them extra chores or restricting their activities during the trip.
The plot might be that Harry, now an adult, is collecting things related to his past and his friends. He stumbles upon this Dobby fan fiction. He buys it to add to his collection of memories. It could also be that the fan fiction has some sort of magic within it, like when he reads it, he can almost feel Dobby's presence again. Maybe it has spells or incantations in it that are related to Dobby's own magic.
Well, perhaps the plot could involve Harry adjusting to Slytherin life while falling in love with a fellow Slytherin. He might have to deal with the prejudices of his new house mates towards his Gryffindor - like tendencies at first. And as for the romance, it could be a slow - burn, with the two characters getting to know each other through shared classes and secret meetings in the Slytherin common room.
Well, perhaps in this fanfic, Harry could be facing a trial for some false accusations made against him by the Ministry of Magic. Maybe they're trying to frame him for using dark magic again. And he has to prove his innocence with the help of his friends.
Maybe the fanfiction starts with the fan already being a few months pregnant when she randomly bumps into Niall. They start talking and Niall feels a connection. He decides to be there for her throughout the pregnancy, like going to doctor's appointments with her.
One possible plot could be that Queen Elizabeth discovers she has magical powers and is secretly a part of the wizarding world. She decides to use her influence in the Muggle world and her new - found magical abilities to bring about a new era of cooperation between the two worlds. She could visit Hogwarts and offer her wisdom and resources to help improve the school, while also learning more about magic herself.
Well, perhaps Harry is magically turned into Draco's pet, like a cat maybe. And as Draco takes care of him, they start to develop unexpected feelings for each other. They might have secret moments where Draco whispers his thoughts to Harry, not realizing that Harry can understand in his pet form.
In this fan fiction, Snape might adopt Harry because he realizes that Harry has a lot of potential that is being stifled at the Dursleys. He could take Harry to a secret location and train him not only in magic but also in self - defense and survival skills. Snape would have to deal with his own complex feelings towards Harry, as he has both resentment and a sense of obligation. And Harry would have to adjust to living with Snape, who is not exactly the warmest person. It could be a story of growth and understanding between the two.
In this fan fiction, Snape could save Harry from Voldemort's followers who are after him. The blood adoption might be a way to give Harry a new family connection. Snape, having complex feelings for Harry's mother, might see this as a way to fulfill a promise or a way to atone for past actions. He could then teach Harry some of his more advanced potions knowledge and help him develop his occlumency skills better.
Maybe Severus discovers some dark magic plot that involves the Dursleys harming Harry in a more serious way. So, he intervenes just in time. He could use his skills in potions and magic to subdue the Dursleys if they resist, and then take Harry to a safe place, like his own secret hideout or a friendly wizard's home.