Well, in a 'Harry and Draco detention fanfic', a common plot point is the power struggle between them even in detention. Harry might be trying to do things the 'right' way while Draco wants to take shortcuts. Also, there could be moments of mutual understanding. Maybe they share stories about their families and realize they are not so different in some aspects. And there might be a plot twist where they end up protecting each other from some threat that appears during detention.
One interesting plot point could be the two rivals being forced to work together during detention. They might start to see each other in a different light. For example, they could discover they both have a passion for a certain subject like potions, which they didn't know before because of their rivalry. Another plot point might be the challenges they face during the detention tasks. It could be something magical and dangerous that they have to overcome together, which builds an unexpected bond between them.
A really interesting plot point could be the love interests that develop for Harry in his new form. Since he's now a girl, perhaps some characters who never showed interest before start to notice him in a different way. Neville, for instance, might start to have a little crush on this new Harry. And Draco himself could be conflicted as he might start to develop feelings for Harry which would completely change the dynamic of their rivalry.
Well, perhaps Snape sets them to clean the potions classroom. Draco tries to boss Harry around at first, but Harry refuses to be pushed. As they clean, they accidentally knock over a vial that releases a magical mist. The mist makes them relive some of their worst memories involving each other. This forces them to understand each other's perspectives better and by the end of detention, there's a less hostile air between them.
The main characters are Harry and Draco, of course. Harry Potter is the famous Gryffindor hero, known for his courage and loyalty. Draco Malfoy is the Slytherin, often seen as a rival to Harry. In the context of this fanfic about their detention, they are the central focus as their interactions and relationship development during detention are what the story is mainly about.
Well, in this type of fanfiction, a plot point could be the change in Draco's behavior. Since he is under the Imperious Curse, his actions might seem out of character. Harry might notice that Draco is doing things that he wouldn't normally do. For example, Draco might be acting more subservient or being forced to target Harry in a more malicious way than before. This would make Harry start to suspect something is wrong. Also, there could be a plot point where Harry has to convince his friends, like Hermione and Ron, that Draco is not acting of his own free will. They might be skeptical at first, but as Harry uncovers more evidence, they come around to help him figure out how to break the curse on Draco.
A great plot point could be that the potions accident results in them being able to read each other's minds. They suddenly have access to each other's deepest thoughts and secrets. This makes them extremely uncomfortable at first, but as they start to understand each other better, they form an unlikely bond. For example, Harry discovers that Draco is under a lot of pressure from his family, and Draco realizes that Harry has his own insecurities despite being the 'Chosen One'.
One interesting plot point could be the reactions of their friends. Harry's friends might be really confused seeing him with Draco's tie, and Draco's cronies might be equally shocked. It could lead to some humorous exchanges as they try to figure out what's going on.
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.
One interesting plot point could be Harry's journey in mastering his clerical powers. Maybe he has to face some powerful dark forces and uses his unique cleric abilities to combat them.
One idea could be that during detention, Hermione discovers a hidden magical artifact in the classroom. This leads to an adventure where she has to figure out its purpose and keep it safe from those who might misuse it.
Well, perhaps one plot point could be Harry's struggle to find a place to sleep at night. Another might be his encounters with different street gangs and how he manages to avoid getting involved in their bad activities. Maybe he also has a special talent for something, like singing or drawing, which he discovers while living on the streets.