Perhaps the dragon in Jon's fanfiction is the last of its kind, and Jon has to protect it from those who want to harm it. There could be a whole story of them hiding, fighting off hunters, and trying to find a new place for the dragon to live safely.
One possible plotline could be that Jon discovers he has a special bond with the dragons. Maybe he can communicate with them telepathically. He could then use this connection to gain power and fight against his enemies. Another plotline might involve Jon trying to tame a wild dragon that no one else has been able to.
In a 'Jon Snow is a Vampire' fanfiction, the plot could start with his death and subsequent resurrection as a vampire. This new form could make him an outcast, even more so than he was before. He might have to journey to find a way to reverse his condition. Along the way, he meets old friends and enemies who react differently to his vampiric state. Some might fear him, while others might see him as a powerful ally. His relationships with his Stark siblings could be severely tested as they grapple with the fact that he's no longer fully human.
One possible plot could be that Jon Snow discovers the dragon egg in a hidden place. He manages to hatch it through some unforeseen circumstances. Then, he has to keep it a secret while training it and learning to communicate with it.
One possible plotline is that the dragon helps Harry discover a hidden magical place. Since dragons have a strong sense of magic, it could lead Harry to a place full of ancient spells or powerful artifacts.
One possible plotline could be a political alliance. The female Jon Snow, with her claim to the North, and Willas Tyrell, from a powerful southern house, could form an alliance to strengthen their positions in the game of thrones. They might face opposition from other houses who fear their combined power.
One possible plotline could be that they are forced to pretend to be in a relationship for political reasons. As they act the part, they start to develop real feelings for each other and eventually share a kiss. Another could be in a post - war scenario where they find comfort in each other's arms and the kiss is a symbol of their new - found connection.
One possible storyline is that Jon Snow uses the ice dragon to fight against the White Walkers. The ice dragon's cold breath could be a powerful weapon against the undead army. Another storyline could be that the ice dragon helps Jon Snow claim the Iron Throne. Its presence would make him a very intimidating and powerful claimant.
In this fanfiction, perhaps Peter Parker is a huge dragon fan from a young age. One day, he somehow gets transported to a world full of dragons. There, he uses his intelligence and Spider - Man - like skills to survive. He might learn how to communicate with the dragons and ends up befriending one. This dragon could then help him get back to his own world, but not before he has to face some challenges in the dragon world, like saving the dragon eggs from poachers.
One possible plotline could be Naruto becoming a sort of outcast ninja. He would focus all his energy on solo missions and self - improvement, perhaps trying to prove to the village that he doesn't need friends to be a great ninja. Another could be that he gets involved in a darker side of the ninja world, as without friends to keep him on the right path, he might be more vulnerable to negative influences.
Perhaps the armband is a family heirloom that Harry discovers. It could hold the key to some long - forgotten Potter family secrets. This could lead him on a journey to uncover his family's past and also give him an edge in the fight against the forces of evil. The armband might have inscriptions or symbols that he has to decipher.