In some fanfics, the fight might take place in the dungeons. Snape, being the master of that area, could use the potions and hidden passages to his advantage. Harry, on the other hand, might rely on his Gryffindor courage and quick thinking. Maybe Harry discovers a secret about Snape during the fight that changes the course of their battle.
One interesting scenario could be a magical duel in the Forbidden Forest. Harry might use his signature spells like Expelliarmus, while Snape counters with complex Dark Arts - influenced hexes. Their fight could be intensified by the presence of magical creatures lurking in the forest, adding an element of danger and unpredictability.
One interesting scenario could be that during detention, Snape makes Harry clean all the potion bottles in the dungeon while lecturing him about the importance of precision in potions. Harry, in turn, discovers an old, forgotten potion recipe among the bottles and Snape is grudgingly impressed.
Often, in the fanfic, it could be that Harry is injured during a Quidditch match. Snape, despite his dislike for Harry in some ways, realizes the importance of Harry to the wizarding world and heals him. There could also be a situation where Harry is affected by some dark magic in the Forbidden Forest. Snape, who has a deep understanding of dark magic, is the only one who can counter it and heal Harry. It might also happen that Harry is suffering from the after - effects of using powerful magic, and Snape uses his own unique magic to heal Harry's drained energy.
One common scenario is Snape protecting Harry from the Dark Arts attacks within Hogwarts. Another could be Snape helping Harry with his studies privately, especially in potions where Snape is an expert.
One interesting scenario could be when Harry uses a clever spell in a new and unexpected way during their exchanges, catching Snape off guard. For example, he might use a transfiguration spell to transform something in the classroom into a distraction while he makes a quick escape from Snape's scolding.
One interesting scenario could be Harry using a charm to make Snape's potions ingredients misbehave during class. For example, the shrivelfigs start bouncing around the cauldron. Another could be Harry transfiguring Snape's cloak into a bright pink color while he's walking down the corridor. Or perhaps Harry using a spell to make Snape's voice change into a high - pitched squeak when he's trying to give a lecture.
One scenario could be that Snape holds Harry Potter captive to protect him from a greater threat that he's aware of but Harry isn't. Maybe he has learned of a new dark wizard's plot against Harry and by holding him, he can keep him in a magically protected area until the danger passes.
In Harry Potter fanfic, boggart scenarios can be really creative. Consider a boggart that reflects a character's fear of failure. For example, Draco's boggart could be him failing to uphold his family's reputation. This would play into his insecurities. Then there could be a boggart that is related to a character's secret desires. Maybe Cho's boggart is Cedric coming back but not loving her anymore, which ties into her unresolved feelings about him. And for Seamus, his boggart might be not being able to perform magic at all, which is a fundamental part of his identity as a wizard.
One common detention scenario in Harry Potter fanfic could be having to clean the Forbidden Forest under the watchful eyes of Hagrid. The characters might encounter all sorts of magical creatures they've never seen before, like a rare breed of unicorn or a group of mischievous pixies. Another could be having to sort through a room full of old, cursed items in Filch's office, with the danger of accidentally triggering a curse.
In 'harry potter shopping fanfic', there might be a situation where the characters go shopping for school supplies in a more mysterious part of Diagon Alley. They could discover a new shop that sells enchanted quills that write on their own, depending on what the user is thinking. And then there could be a hunt for the perfect spell - books, especially ones that are not on the regular Hogwarts curriculum. It would add a sense of adventure to their shopping spree.
One interesting scenario could be when they duel in a magical forest. The trees might come alive and interfere with their spells, adding an unexpected element to the duel. Another could be a duel where they have to use only non - verbal spells, which would test their skills and concentration greatly.