One possible plotline could be Harry secretly raising the dragon in the Forbidden Forest. He might have to find ways to feed it without being caught. Another could be that the dragon helps Harry in a battle against Voldemort's forces, using its firepower and strength.
One interesting plotline could be a dragon becoming a secret ally to Harry Potter. It might help him in a dangerous mission by providing aerial support or using its fiery breath to fend off dark creatures.
Maybe Harry is given a dragon as a gift or as part of a special task. He then has to raise the dragon while also dealing with the challenges of his regular school life at Hogwarts. He might have to use his knowledge of magic to keep the dragon healthy and well - behaved. The dragon could also become his protector or help him in some dangerous situations. Another plotline could be that the dragon is a key to unlocking some ancient wizarding secret, and Harry's task of raising it is part of a bigger prophecy or mission.
Well, there are many. For example, a plotline might center around a dragon duelist who is wrongly accused of using illegal spells during a duel. They then have to clear their name while also preparing for an important upcoming duel. Another could be a story where a young girl discovers she has a special power that allows her to communicate with dragons during duels, giving her an edge. This power, however, attracts the wrong kind of attention from some dark wizards. Also, a plot could be about a dragon - dueling club in Hogwarts that is on the verge of being shut down due to some mysterious accidents during duels, and the members have to find out what's really going on to save their club.
A plotline could be that the dragon is actually a guardian of a long - lost magical artifact hidden deep within Gringotts. A brave adventurer tries to befriend the dragon to gain access to the artifact. The dragon tests the adventurer's worthiness throughout their encounters.
One interesting plotline could be a dragon family protecting Harry Potter from a new dark threat. The dragons, with their fierce loyalty and powerful magic, could form an unexpected alliance with Harry and his friends. For example, the dragon family might have a special connection to an ancient magic that Voldemort is seeking, and they must keep it out of his hands.
In some fanfictions, the Black Dragon Emperor might have a special relationship with Harry Potter himself. It could be a mentor - like relationship, teaching Harry some ancient and powerful magic that was long forgotten in the wizarding world. This would give Harry an edge in his battles against the forces of evil and also introduce a whole new aspect of magic to the story.
One interesting plotline could be the main character's journey to master the dark dragons. They might face challenges like taming the wild and powerful dragons while also dealing with the dark magic associated with them. Another could be how they interact with the existing Harry Potter characters in this new scenario, for example, how they might clash or cooperate with Hogwarts professors who are suspicious of their dragon - related activities.
Well, perhaps in this fanfic, Harry being the son of a dragon gives him some unique magical powers. He might be able to breathe a special kind of fire that can counter dark magic. And there could be a plotline where he has to prove himself to both the wizarding community and the dragon community. He could be caught in the middle of a conflict between the two, trying to find his place and use his powers for good.
One interesting plotline could be the discovery of a new breed of dragons by the Dragon Lords. This might lead to a race among different wizarding factions to either control or protect these dragons. Another could be the Dragon Lords having to form an alliance with Hogwarts students to fight off dark wizards who want to use the dragons for evil purposes.
One interesting self - insert raise could be a character who is inserted into Hogwarts as a new student with a unique magical ability not seen before in the series. This could change the dynamics of existing relationships and storylines, like how they interact with Harry, Hermione, and Ron.