Well, perhaps the dragon rider returns with new powers or abilities. They might use these to face an old enemy that has resurfaced in a more powerful form. Or they could return to find that their dragon has formed a new connection with another creature, causing some initial conflict before they all learn to work together.
In 'Return of the Dragon Rider fanfiction', the rider could return to a kingdom in chaos. The king has been overthrown, and the dragon rider must use their skills and the dragon's might to restore order. They might face challenges like distrust from the people who don't remember them, and also have to deal with the forces that caused the chaos in the first place.
One idea could be Naruto using his dragon to quickly travel across the ninja world for missions. His dragon could also have unique abilities, like breathing a special type of chakra-infused fire that can counteract certain jutsu.
One idea could be a story where a young wizard discovers an ancient dragon egg in the Forbidden Forest. He secretly raises the dragon and they form an unbreakable bond. As the dragon grows, they face challenges from Hogwarts faculty who fear the dragon's power. But together, they prove that the dragon can be a force for good.
One idea could be a story where Hiccup discovers a new type of dragon that has unique abilities. He then has to learn how to befriend and ride this dragon while also facing challenges from other dragon riders who are jealous of his new discovery.
One idea could be exploring an alternate universe where the riders form different alliances. For example, some of the more antagonistic riders team up against a common threat that is far more powerful than any single rider. This could lead to interesting character development as they have to put aside their differences.
Another plot could involve a misunderstanding between the Kamen Rider Ryuki and Dragon Knight characters that leads to an initial battle between them. But as they fight, they start to realize they have more in common than they thought and end up joining forces. For example, they could discover that a shadowy organization is manipulating events to keep them at odds.
One idea could be a story about a commoner who discovers a long - forgotten dragon egg and becomes a rider. This person then has to navigate the complex politics of Westeros while hiding their new - found power.
One unique plot idea could be that Percy discovers he has a special connection to the dragons because of his demigod powers. Maybe he can communicate with them on a deeper level than others. Another idea is that the dragons are the key to solving a new threat to the demigod world, like a powerful ancient evil that only the combined strength of the demigods and the dragons can defeat.
Another plot could involve Cronus teaming up with a former enemy to face a greater threat. This would force him to re - evaluate his relationships and motives. For example, he might have to work with a Kamen Rider he once tried to destroy. It could lead to some great character development for him.
One idea could be a story where Kamen Rider Phantom has to team up with an unexpected ally from a different dimension. This ally could bring unique powers and a different perspective, creating new challenges and adventures for Phantom.
Another plot could involve Kamen Rider Gaim getting trapped in a time loop. He has to relive the same day over and over again, each time trying to figure out how to break the loop while also dealing with the day - to - day threats he usually faces. In the process, he discovers new things about his powers and the true nature of the threats in his world.