Well, perhaps Harry stumbles upon an ancient book about dragon riding in the restricted section of the library. As he reads it, he's drawn into a world of dragon riders. He then meets a mysterious figure who offers to teach him the ways of dragon riding. Harry embarks on this new adventure, facing challenges like learning to communicate with the dragon and mastering the art of flying on its back. Along the way, he makes new friends among other dragon riders and they all fight against a common enemy that threatens the existence of both the wizarding world and the dragon habitats.
If Harry Potter becomes a dragon rider in fanfiction, he could explore new magical places. Dragons can fly to remote areas. He might discover hidden magical lands or ancient magic that could help him in his fight against the dark forces. Maybe he'd find a new kind of magic that could defeat Voldemort once and for all.
One possible plot could be that Percy, with his natural heroic instincts, discovers a hidden world of dragon riders. Maybe he stumbles upon a dragon egg during one of his quests. Since he has a connection with water and dragons are often associated with elements, he could find a way to bond with the newly hatched dragon. This would lead him to learn the ways of the dragon riders, facing challenges from those who oppose a half - blood like him becoming a rider.
It could be a dark wizard who wants to control the dragons for his own evil purposes. He might see Harry as a threat because Harry is forming a bond with the dragons and teaching them to resist dark magic.
In the fanfiction, Harry might be cursed to transform into a dragon periodically. He then has to figure out how to control this new form. He could meet other magical creatures that are either scared of him or intrigued by his dragon form. He might also find that his dragon form gives him unique powers that he didn't have as a human wizard, like the ability to fly faster or breathe a more powerful type of fire.
One possible plot could be that there is a prophecy about a dragon rider saving the wizarding world. Harry, being the hero he is, stumbles upon a dragon that chooses him as its rider. Along the way, he has to train both himself and the dragon to fight against a new dark force that the regular magic of the wizarding world can't defeat. He might face opposition from the Ministry of Magic at first because having a dragon rider is unheard of and seen as dangerous. But as the threat grows, they come to realize that Harry and his dragon are their best hope. Harry would have to learn new spells and magic related to dragon riding and also deal with the bond between him and his dragon, which is both a source of strength and vulnerability.
Well, it could be that Hiccup is cursed by an evil sorcerer who wants to turn him into a dragon as a form of punishment. But as he turns into a dragon, he finds that he has a new connection with the dragon world. He starts to see things from a dragon's perspective and uses this to bring peace between humans and dragons in a whole new way.
Maybe Natsu discovers a new magic spell that accidentally turns him into a dragon. He then has to figure out how to reverse it while dealing with the new powers and instincts.
Well, perhaps Hedwig could be magically transformed into a dragon. Then she might go on adventures, using her new dragon abilities like flying faster and breathing fire to protect her wizard friend from dark forces.
Well, one possible plot could be that Fem Harry discovers the world of Ghost Rider and becomes fascinated by the idea of justice with a supernatural touch. She might start to study the lore behind Ghost Rider, trying to find a way to incorporate some of those elements into her own fight against the dark forces in her world. Maybe she even meets a character similar to Ghost Rider and teams up with them.
One possible plot could be that Harry discovers he has the power of Ghost Rider after a strange encounter in the Forbidden Forest. He then has to keep it a secret from his friends and teachers while trying to figure out how to control it. Meanwhile, Voldemort senses this new power and tries to either steal it or destroy Harry because of it.