Well, it could be that the dragons in this fanfiction are the protectors of some ancient and powerful magic. Harry, being the curious and brave wizard he is, sets out to find this magic with the help of the dragons. Along the way, he uncovers secrets about the origin of magic and his own family's connection to the dragons, which changes his perspective on the wizarding world.
Well, one idea could be the unique bond formed between the wizard and the dragon during the ritual. Maybe it gives the wizard special powers related to the dragon's abilities like enhanced strength or the ability to breathe a certain type of magical fire.
One interesting idea could be the exploration of a unique bond between a character from Harry Potter and a dragon spirit. For example, a fanfiction might show how Harry himself forms a special connection with a dragon spirit that helps him in his battles against Voldemort. This connection could give him new powers or insights that are not part of the original story.
One idea could be a story where a young wizard discovers a dragon egg in the Forbidden Forest. He decides to secretly hatch it and raise the dragon as his pet. As the dragon grows, he has to constantly hide it from the Hogwarts professors, especially Hagrid who has his own ideas about magical creatures.
Well, in some 'Harry Potter Dragon Blood Fanfiction', there might be the concept of dragon blood being used to heal dark magic wounds. Since dragon blood has strong magical properties in the Potterverse, it could be a rare and dangerous ingredient. Some fanfictions may also explore how a wizard or witch with dragon blood in their veins has an affinity for fire - based magic, much more so than others, and how they struggle to control this newfound power.
In this fanfiction, perhaps Harry's connection to the dragon side would change his relationship with other magical creatures. He could have a special bond with dragons, understanding them on a deeper level. This could lead to him being involved in dragon conservation or training in a way that normal wizards aren't. Also, his appearance might be slightly altered, with some dragon - like features that make him stand out even more at Hogwarts.
One interesting idea could be a character who discovers a new breed of dragon in the Forbidden Forest and tries to tame it secretly. Another could be a story where a young wizard uses dragon taming skills to stop an evil plot that involves dragons being used as weapons. Maybe there's a fanfic where a Muggle - born wizard has an unexpected natural talent for taming dragons and has to prove themselves in the wizarding world because of it.
One plot idea could be that the fem dragon is a guardian of an ancient wizarding artifact. Harry discovers this and has to team up with the dragon to protect it from dark wizards. Another idea is that the dragon is an outcast in the magical world and Harry befriends it, leading to a story about acceptance and friendship.
One idea could be a story where a young wizard discovers an ancient dragon egg in the Forbidden Forest. He secretly raises the dragon and they form an unbreakable bond. As the dragon grows, they face challenges from Hogwarts faculty who fear the dragon's power. But together, they prove that the dragon can be a force for good.
One idea could be a story where Harry discovers he has an ancient dragon knight heritage. He then has to learn the ways of the dragon knights in secret while still dealing with Voldemort. Another could be that a dragon knight from the past is reincarnated as Harry, and he has to use his past skills to fight new threats at Hogwarts.
One idea could be a dragon guarding a mysterious puzzle that holds the key to an ancient magic. The main characters, like Harry and his friends, have to solve the puzzle while also taming the dragon. Maybe the puzzle is made of dragon scales and only a true Gryffindor can figure it out.