One popular theme is character crossovers between different kingdoms within the Dragon Prince universe. For example, characters from Xadia and the human kingdoms interacting in new and unexpected ways. Another theme could be magic crossovers, where different types of magic collide or combine. Also, there are often themes of friendship and alliance building that were not present in the original story.
Rayla and Aang from Avatar: The Last Airbender would be an interesting crossover. Rayla's skills as an assassin and Aang's airbending and pacifist nature could create some really cool interactions. They both have a strong sense of justice, but approach it in different ways.
One idea could be that Naruto is somehow transported to the world of The Dragon Prince. He might use his ninja skills to help the characters in their quest. For example, his shadow clone jutsu could be used to deceive enemies or perform multiple tasks at once during a battle against the forces of evil in The Dragon Prince's world.
In a crossover, power levels can be a bit tricky to compare. Zuko from Naruto has his own set of skills like his firebending (assuming he's included in this crossover in some way). In The Dragon Prince, Rayla has her assassin skills and knowledge of magic. But if we're talking about pure raw power, Naruto with his Nine - Tails chakra could potentially outclass most characters at first glance. However, the magic users in The Dragon Prince might find ways to counter or nullify his attacks with their unique spells and magical artifacts, so it's not as straightforward as it seems.
One possibility could be the characters from 'Avatar' and 'The Dragon Prince' meeting and having to team up to face a common threat. Maybe the bending powers from 'Avatar' and the magic in 'The Dragon Prince' could combine in interesting ways. For example, a waterbender could work with a Moonshadow elf, using their respective powers of water and shadow to outwit their enemies.
Zuko and Callum would be an interesting pair. Zuko has his journey of redemption, and Callum is learning to be a mage. They could bond over their struggles with self - improvement. Zuko might be impressed by Callum's ability to learn magic quickly, and Callum could learn from Zuko's determination and discipline.
One idea for a Dragon's Dogma crossover fanfiction could be a crossover with 'The Witcher'. The protagonist of Dragon's Dogma, the Arisen, finds themselves in the world of The Witcher. They could team up with Geralt to fight a common enemy, perhaps a powerful dragon that has been causing chaos in both worlds. The Arisen's unique abilities, like being able to grab onto and climb large monsters, would be a great addition to Geralt's combat skills.
A possible fanfiction idea for Amaya could be set in a time before the events of The Dragon Prince. It could explore her early days of training, her relationship with her family, and how she became the tough and capable warrior we see in the show. This would give fans a deeper understanding of her character and what made her who she is.
Aaravos in Dragon Prince fanfiction is often a very interesting and complex character. He's usually depicted with his great power and mysterious allure. In some fanfictions, he might be the central figure driving the plot forward, perhaps in a quest for more power or revenge.