They could run into some strange magical creatures in the library. Maybe a mischievous poltergeist that tries to disrupt their study session or lead them astray while they're looking for important information.
Well, they might also encounter a magical object in the library. It could be a magical quill that writes down the answers to any question they ask. But there could be a catch, like it only works three times a day or it requires a special incantation to activate. And they have to figure out all these details while also trying to keep it safe from other students who might want to steal it.
Well, perhaps Tonks could be on a mission at Hogwarts and she accidentally bumps into Harry. She might show him some cool magic tricks that first - years don't usually see.
Well, in certain fanfiction scenarios, Ron's jealousy could be a factor. He might feel overshadowed by Harry for so long that it finally drives a wedge between them, and Hermione, being in a relationship with Ron, gets caught up in it. Another possibility is that a prophecy or some ancient magic forces them to make choices that seem like a betrayal to Harry, but they believe they are doing it for the greater good.
Well, he might discover a whole new world of magic in that fanfiction. Maybe it contains spells that are not in the original books. He could get inspired to try out new things or it could even lead him to new adventures within the Hogwarts library, like finding a hidden section related to the ideas in the fanfiction.
In 'Harry and Daphne 8th year fanfiction', they might start as unlikely friends. Harry could show Daphne a different side of the wizarding world she never knew. For example, he could introduce her to the Weasleys and their unique family dynamic, which would be a big contrast to her pure - blood family upbringing.
Well, Harry might become very bitter. He could turn to other allies like Neville or Luna for support. He might also start to question all of his relationships and become more withdrawn.
Well, it could be that in these fanfictions, a dark influence overcomes Hermione and Ron. They might be manipulated by a powerful dark wizard who makes them believe that betraying Harry is the right thing to do. It could also be a miscommunication situation where they think they are helping but end up betraying Harry. For instance, they might be tricked into believing that Harry has turned bad and needs to be stopped.
Perhaps it's a shy and introverted first - year who has some sort of hidden power. Harry spots this potential in the student and adopts them. The first - year could be from a pure - blood family that has fallen on hard times. His or her name could be Oliver, and Harry sees in Oliver a chance to change the negative image some pure - bloods have.
In a fanfiction with Ron's betrayal, there could be a situation where the magical world turns against Ron. After all, Harry is seen as a hero and Hermione is highly respected. When Ron's betrayal is revealed, the wizarding community might shun him. This could lead to a redemption arc for Ron where he has to prove himself worthy of forgiveness not only to Harry and Hermione but also to the entire wizarding world. He might have to go through great trials and make huge sacrifices to make up for his actions.
Maybe the crash sends them to a strange and unknown place. They could be in a parallel magical world where things are different. There, they would need to find a way to get back home while also dealing with the challenges of this new world. Their friendship would be tested as they face these difficulties together.