It could be about a donkey and a dragon becoming friends in a magical land. Maybe the donkey is lost and the dragon helps it find its way home.
The obvious main characters would be the donkey and the dragon.
They could go on a quest to find a magical flower that can make anyone speak in rhymes. Donkey would be excited about this as he loves to talk, and Dragon would be there to protect him from any danger on the way.
Well, it could be about a female donkey's adventures on Pleasure Island. Maybe she discovers unique landscapes and makes friends with the local creatures there.
One possible plot could be that Donkey Kong and Mario have to team up to save the Mushroom Kingdom from a new, powerful villain. They combine their unique skills, like Mario's jumping and Donkey Kong's strength, to overcome various challenges and defeat the bad guy.
A theme might be the journey of acceptance. Since they are such different creatures, the fanfic could focus on how they come to accept each other. Maybe the dragon has to learn to see the value in the donkey's simplicity, and the donkey has to overcome its fear of the dragon's power. There could also be themes of friendship or even an unlikely alliance, where they team up to face a common threat despite their differences.
Well, the plot could involve Markiplier as a dragon in a magical realm. He might be on a quest to protect his dragon hoard from evil forces. Maybe there are other mythical creatures that he has to interact with, like elves or dwarves. And he could have special dragon powers that he uses to overcome challenges.
The plot might be that the dragon kidnaps the princess. But instead of being a cruel act, the dragon wants to show the princess the beauty of the wild world that she has never seen from her castle. The princess is initially scared but then starts to enjoy the dragon's company and the new experiences. Eventually, she has to convince her people that the dragon is not a threat when she returns to the kingdom.
Maybe in a scientific experiment gone wrong, a girl is exposed to some strange chemicals that begin to transform her into a donkey - like being. She then has to hide from the scientists who are trying to capture her. Along the way, she discovers that she has new abilities, like being able to run faster and jump higher than before. She uses these abilities to outwit the scientists and find a cure for her transformation.
In this fanfic, the story could be about a group of adventurers who attempt to summon a dragon for different reasons. One wants power, another wants knowledge. When they finally summon the dragon, it turns out to be a wise and ancient creature. It tests the adventurers and only agrees to help those who prove their worth by showing courage, kindness, and selflessness.
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.