Well, it could involve Issei discovering some ancient dragon magic. Maybe he stumbles upon a dragon's lair and is blessed with dragon powers. He might start to have dragon - like instincts, like a strong urge to hoard treasures or protect a certain territory.
Well, it could involve Issei having to adapt to the dragon world. Maybe he has to learn new powers and abilities that come with being a dragon's mate. He might also face challenges from other dragons who don't approve of a non - dragon being a mate. And there could be a lot of adventure as he explores the dragon realm and discovers its secrets.
One possibility is that Lucy discovers a hidden power within herself that is related to dragon slaying. Maybe she has a long - lost ancestor who was a dragon slayer. This newfound power could lead her on a journey to learn more about it, facing challenges along the way, like dealing with other mages who are jealous or scared of her new abilities.
The plot might start with Hiccup having a strange encounter, like stumbling upon a hidden cave with a magical artifact. This artifact could be the key to his transformation into a dragon god. As he becomes more dragon - like in his powers, he could gain the ability to communicate with dragons on a whole new level, understanding their deepest thoughts and feelings. And he would surely have to use these powers to protect Berk from threats that normal human - dragon alliances couldn't handle.
Well, in a Naruto becomes a hollow fanfiction, perhaps the chakra system in Naruto gets corrupted and turns him into a hollow. His appearance would change to something more menacing. He might start to crave spiritual energy instead of normal food. His relationships with other characters would be on edge. For example, his bond with his teacher Kakashi would be tested as Kakashi tries to figure out how to reverse the transformation or at least help Naruto co - exist with his new hollow self.
In a Naruto - becomes - a - teacher fanfiction, Naruto could focus on teaching his students about the value of friendship and teamwork. He might organize team - building exercises that are actually dangerous ninja missions. His students would learn to rely on each other, just as he did with his own team. He could also share stories about his adventures with the Akatsuki, making sure his students understand the threats that still exist in the ninja world.
In a Naruto becomes a hermit fanfiction, he could be on a journey to find a deeper meaning to his existence. He might abandon his fame and status. Living as a hermit, he'd have to fend for himself, which would make him stronger in a different way. He could start to understand the true essence of chakra in a more spiritual sense, away from the battles and politics of the shinobi villages.
The plot could also involve Naruto being transported to the world of Sparda. There, he has to learn the ways of that world to survive. He might meet characters similar to those in his own world, but with different abilities. And he could form new alliances, like teaming up with demons who oppose the main evil forces in the Sparda universe.
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.
One possibility could be that Naruto discovers a new side of Himawari. Maybe she shows an unexpected talent for ninjutsu that Naruto is really impressed by. This could lead to Naruto becoming her biggest supporter and fan, constantly cheering her on during her training sessions.
Well, it could be that Naruto discovers the tales of Gilgamesh's power and heroics. Maybe he starts to idolize Gilgamesh's confidence and his unwavering belief in his own supremacy. Naruto might then try to incorporate some of Gilgamesh's leadership style into his own way of leading his comrades in the Hidden Leaf Village.