One idea could be that Tsukune discovers a hidden dragon lair. Inside, he finds an ancient spell that accidentally transforms him into a dragon. As a dragon, he has to learn to control his new powers like flying and breathing fire. He might also face challenges from other magical creatures who see him as a threat.
Tsukune could be a half - vampire in the original story. In the fanfiction, his vampire side could react strangely to a dragon - related magic. This causes him to transform into a dragon. As a dragon, he forms an unexpected bond with a group of friendly dragons who teach him about their culture and how to use his dragon form to protect the ones he loves.
He could start to explore the world from a dragon's perspective. Flying over mountains and forests, he might discover new places and secrets. Maybe he would find other creatures that are only visible to dragons.
One idea could be that Link is cursed by an evil sorcerer to turn into a dragon. In the fanfiction, he might initially struggle with his new form, not understanding how to fly or use his dragon powers. As the story progresses, he could discover that his dragon form has unique abilities like breathing fire to defeat enemies he couldn't before. He might also have to find a way to break the curse while still in dragon form, perhaps by finding a magical artifact or by performing a heroic deed.
Fanfiction could also center around Mizore and Tsukune training together. Since they both have different powers, they could learn from each other. Tsukune could teach Mizore about human resilience and determination, while Mizore could show Tsukune how to better control his powers, especially when it comes to the more vampiric aspects. Their training sessions could be filled with both comical and intense moments.
A fanfiction could explore a romantic relationship between Naruto and fem Tsukune. They might start off as friends, but as they get to know each other better, feelings develop. This could involve them going on adventures together and learning about each other's cultures and backgrounds, which would be really interesting considering their different origins.
One idea could be that they face challenges in a world that is not accepting of their relationship due to her vampire nature and the pregnancy. They might have to hide and find a safe place for their future family.
One idea could be Tsukune learning a new and powerful vampire ability. For example, he discovers he can manipulate shadows in a way unique to him, which helps him in battles against other supernatural foes in the Rosario Vampire world.
The plot could involve Tsukune being turned into a vampire against his will. He would then have to come to terms with his new identity. He might seek a way to reverse the transformation, leading him on a journey to find a cure. Along the way, he could meet other vampires who either help or hinder his quest, and he would also have to deal with the fact that his relationships with his non - vampire friends are now in jeopardy.
Another fanfiction could be about Nekonome getting into trouble and Tsukune coming to her rescue. For example, Nekonome could accidentally break a precious magical item in the school and Tsukune uses his newfound powers to fix it before anyone notices. This would show their loyalty and friendship towards each other.
One interesting tsukune dragon fanfiction could be about Tsukune unlocking hidden dragon powers and using them to protect his friends. He might face a powerful enemy that only his newfound dragon abilities can defeat.
His relationship with his human friends would definitely change. They might be scared of him at first, especially if he shows signs of his new vampire nature like a craving for blood. Some friends might try to distance themselves from him, while others might be more understanding and try to help him control his new urges.