A good plot. Since it's a crossover, the plot should blend the two different fictional elements seamlessly. For example, if it's a crossover with a fantasy world, the story should make sense in terms of how King Harlequin fits into that world.
They could be described as iridescent, with a sheen that changes color depending on the angle of the light. For example, in the sunlight they might shimmer like a rainbow, adding to the Fairy King Harlequin's otherworldly appearance.
One popular King Harlequin crossover fanfiction is 'The Meeting of Kings'. It combines the unique elements of King Harlequin's world with another well - known fictional realm, creating a fascinating story of adventure and discovery.
One idea could be the Fairy King Harlequin going on a quest to find a lost magical artifact that is crucial for the survival of his fairy realm. Another could be him forming an unlikely alliance with a mortal to face a common enemy that threatens both the fairy world and the human world.
A young and curious human with a special gift, like the ability to see spirits, would also be a good pairing. Harlequin could take the human under his wing and show them the wonders of the fairy world, while the human could offer a fresh perspective on things that the Fairy King may not have considered before.
A fanfiction could revolve around the origin of the Fairy King Harlequin's wings. It could explore how he got them, whether it was through a powerful spell, a gift from another magical being, or something more mysterious. For example, perhaps his wings were a result of a self - sacrifice he made long ago, and now they hold great significance in the fairy kingdom.
Harlequin Fiction is a type of popular romance novels. They often feature strong emotional relationships, usually with a central love story. These novels are known for their formulaic yet engaging plots that appeal to a wide range of readers who enjoy romantic tales.