A common plot point is the struggle for control. When Natsu transforms into a dragon, he often has to fight to control his new form and its immense power. Another is the reaction of his friends. They are usually shocked at first but then they support him. For example, in many fanfics, Lucy is there to help him understand his new state.
Well, in a lot of these fanfics, the transformation is a turning point in the story. Before the transformation, Natsu might be facing a seemingly insurmountable challenge. But once he becomes a dragon, he has new abilities to overcome it. His dragon form also often has some sort of connection to an ancient prophecy or power. And as he gets used to his new form, he discovers new aspects of his personality and his past that were hidden before.
One typical plot point is the origin of the transformation. It could be due to a hidden magic within Natsu that gets triggered. Also, there's often a new enemy or threat that Natsu in his dragon form has to face. In some fanfics, his dragon form attracts other powerful beings, either as allies or enemies. And his relationship with the other dragon slayers might change as he is now more 'dragon' than them.
One popular 'natsu transforms into a dragon' fanfic is 'Dragon's Ascent'. In this fic, Natsu's transformation is a result of a powerful ancient magic he accidentally awakens. The story is filled with intense battles as he tries to control his new dragon form and the powers that come with it.
In many of these fanfictions, the way Natsu's dragon form affects his relationships is a big plot point. For example, his enemies might be more afraid of him, or his friends might see him in a new light. Also, the use of his dragon form in battles against powerful villains can be really engaging. His new abilities could give him an edge in combat that he didn't have before, like breathing fire in a more powerful way or having enhanced strength and speed.
It could be that in this fanfiction, Natsu's dragon powers are enhanced in unique ways. For example, he might gain the ability to communicate with all types of dragons, not just Igneel. This could lead to him having to mediate between different dragon factions. And he may also have to hide his newfound nature from his friends at Fairy Tail for a while, creating some interesting internal conflict.
Well, perhaps the plot could involve Natsu hiding his dragon identity from his friends in the guild. He might be worried about how they'll react if they find out. Maybe there are certain powers that come with being a dragon secretly that he has to learn to control without anyone noticing.
Well, perhaps the story could start with Natsu having a strange encounter that begins his transformation into a dragon. Maybe he discovers some ancient magic or a hidden power within himself that is related to dragons.
In 'natsu is the alpha dragon slayer fanfiction', an interesting plot point could be his relationships with other characters. Since he is the alpha, other dragon slayers might look up to him or be jealous of him. This could create complex dynamics, especially with his friends like Gray and Lucy. Natsu might have to prove himself not just in terms of power but also in his ability to lead and bring the group together in the face of danger.
One possible interesting plot point could be Natsu's unique powers as the alpha dragon slayer. Maybe he has enhanced strength or special abilities that set him apart from other dragon slayers. For example, he could have a more powerful form of dragon roar.
Well, in 'natsu is a dragon god slayer fanfic', themes like growth and evolution are very common. Natsu's character is growing not just in terms of power but also in his understanding of the world around him. Family is also a theme that pops up. Since dragons are like family to him in a way, his connection to them and how it affects his actions is explored. And of course, the theme of heroism. Natsu is seen as a hero, especially with his new powers as a dragon god slayer, and how he lives up to that role, facing challenges and saving the day, is a big part of these fanfics.
Perhaps the story focuses on the bond between Natsu and the small dragon. The small dragon might have special powers that help Natsu in battles against villains in their magical world. It could also be about how Natsu takes care of the small dragon, teaching it things and growing together in their friendship.
Perhaps the fanfic focuses on the origin of Natsu's dragon - like roar. It could explore some hidden power within him that he didn't know about before. The story might involve him trying to control this new - found aspect of his power. And it could also have some sub - plots about his relationships with other characters who are either in awe or a bit scared of his roar.