Perhaps Moody has a vendetta against the Malfoy family and decides to use Draco as a way to get back at them. This could lead to a lot of psychological and physical harm to Draco as Moody uses his skills and knowledge to torment him. It could also involve Draco trying to fight back or find a way to escape Moody's clutches.
I'm not sure about a specific Moody Hurts Draco fanfiction off the top of my head. But you can try searching on popular fanfiction websites like Archive of Our Own. They have a wide range of fanfictions and you might find one with that theme there.
Another interesting plot is when they are both part of a magical competition. They start as rivals but end up learning from each other. In one particular fanfiction, they are in a dueling tournament. Through the duels and the preparation for them, they see each other in a new light and form an unexpected bond.
A common plotline is Draco trying to reform the Slytherin house. As Headboy, he realizes that the negative reputation of Slytherin needs to change. So he starts implementing new rules and activities within the house to promote unity and positive values.
One possible plotline could be that Draco, in his 'evil' guise, is initially set on causing trouble for Hermione at Hogwarts. But as the story progresses, he might start to have complex feelings for her, leading to an internal struggle between his dark intentions and new - found emotions.
One common plotline is a magical duel over a school competition. Maybe it's for the House Cup, and their fight gets intense as they both use their unique spells. For example, Harry might use his Patronus charm while Draco counters with some dark - arts - inspired hexes.
One interesting plotline could be Hermione trying to cure a werewolf - affected Draco. Maybe she discovers a new spell or potion that can ease his lycanthropy symptoms. It could lead to a lot of tense moments as they have to trust each other despite their past differences.
A great plotline might involve a magical competition where Draco, Blaise, and Harry are all forced to compete. As they face various challenges, they start to understand each other better. For example, they realize that they all have the same fears about the future of the wizarding world. It could also be a plotline where they are all transported to an alternate dimension and have to rely on each other to get back home.
Yes, often there could be. For example, the story might explore how Harry and Draco's relationship changes when they are somehow related to the Riddle twins. It could involve them uncovering secrets about the Riddle family's past that impacts their own identities and destinies.
A great plotline is when they bond over their difficult family situations. Harry has his issues with the Dursleys and Draco has the pressure from his pure - blood supremacist family. They could find common ground in their struggles against the expectations placed on them. This might lead them to support each other in ways that surprise their classmates and teachers alike, like Draco standing up for Harry against Snape's unfair treatment, or Harry helping Draco break free from his family's dark influence.
Perhaps a plot where they all become animagi and have to use their animal forms to solve a mystery in the Forbidden Forest. Draco as a sleek snake, Harry as a stag, and Hermione as an otter, they must navigate the forest's dangers and uncover the truth about a strange magical disturbance.