One common plot element is the trigger for the transformation. It could be a magical curse, a powerful spell gone wrong, or a genetic anomaly. Another is the struggle to control the new dragon form. The human-turned - dragon might initially be afraid of their new powers and appearance. Also, there's often a journey of self - discovery as they learn what it means to be a dragon, like exploring new abilities such as flight or breathing fire.
Well, a typical plot element is the reaction of the people around the human - turned - dragon. Some might be scared and try to hunt them down, while others could see it as a sign of great power and try to use them. And then there's the aspect of the dragon's lair. The character might feel the need to find a suitable place to hide or live as a dragon. They may also face other mythical creatures in this new form and have to deal with the hierarchy among them.
One common theme is power and its consequences. When a character turns into a dragon, they often gain great power. They have to learn how to control it and deal with the responsibility that comes with it.
Another plot could involve Natsu turning into a dragon in a completely different world. He has to adapt to this new world as a dragon and find a way to turn back. Along the way, he meets other dragons who teach him about his new form and its capabilities. This could lead to him having a greater understanding of his own powers when he finally returns to his normal self.
Here's a plot. Harry turns into a dragon in the Forbidden Forest. At first, he's scared and confused. But then he realizes he can fly and explore parts of the forest that are unreachable as a human. He discovers a hidden magical artifact while in his dragon form. However, the Ministry of Magic hears about his transformation and wants to capture him, thinking he's a dangerous uncontrolled magical being. So, Harry has to evade capture while also trying to figure out how to turn back to his human form and clear his name.
A more adventurous plot could be that Jack Frost, now human, discovers he has a special mission. Maybe there's a new threat to the winter world that only he, with his unique knowledge as a former winter spirit, can stop. But he has to rely on his new human skills and the help of his human friends to succeed.
A possible plot is that Canada, now human, decides to go on a journey across his own land to see how much it has changed and how different it is from his memories as a nation. Along the way, he meets various people who unknowingly are descendants of those who were part of Canada's history. He could also encounter challenges like trying to prove his identity to those who are skeptical of his claims of being the nation Canada in human form. He might use his unique knowledge of the land and its past to overcome these difficulties.
Well, a typical plot element could be the exploration of the dragon's powers. In many of these fanfictions, the reincarnated character spends time learning about the different abilities they now possess as a dragon. There's also the aspect of making allies or enemies among other dragons. Some stories might include a search for a way to return to their previous form, while others focus on the character fully embracing their new dragon life and using it to their advantage.
In this fanfiction, perhaps Hiccup turns into a female dragon because of an experiment gone wrong. His transformation would be a shock to Toothless especially. As a female dragon, Hiccup might have to adapt to a more nurturing role that is often associated with female dragons in the How to Train Your Dragon universe. He could start to understand the female dragon's perspective on protecting the young and the territory. And during his time as a female dragon, he might meet other dragons who become his allies in his quest to turn back into a human. There could be a lot of self - discovery and adventure along the way.
One idea could be a character who is initially a lowly servant in King's Landing. After a strange encounter with an ancient magic, they start to transform into a dragon. As they gradually turn, they gain new powers like the ability to breathe fire in small spurts. This causes chaos as they try to hide their transformation from the power - hungry lords and ladies of the court. They might also start to have dreams of flying over the Seven Kingdoms, which drives them to seek out the knowledge to fully complete their transformation.
Perhaps Danny turns into a dragon in a completely unexpected situation, like during a school event. His sudden transformation causes chaos and he has to quickly fly away to avoid being seen. In the process, he discovers that he can access new areas in his dragon form that were previously inaccessible to him as a normal half - ghost. He might find a hidden lair of an old enemy in the mountains while flying around in his dragon form, and then has to figure out how to defeat this enemy while still learning to control his new abilities.
One common plot element is the protagonist being reborn with some prior knowledge of the Dragon Ball universe. This could lead to them seeking out powerful techniques or characters early on. Another is forming unique relationships with the existing Dragon Ball characters, like befriending Goku or Vegeta in new and unexpected ways. Also, the idea of changing the course of major events in the Dragon Ball timeline, such as preventing certain villains from causing as much destruction as they did originally.