Friendship - turned - romance is also quite common. They start as friends who respect and admire each other's skills, and then the relationship gradually develops into something more romantic. This slow - burn aspect is very appealing to many readers.
One great Edmund x Caspian fanfiction is 'The Bond Beyond Kingdoms'. It beautifully explores their relationship as they face various challenges together in a post - war Narnia. The story delves deep into their mutual respect and the unspoken bond that grows between them.
You can try websites like Archive of Our Own (AO3). It has a large collection of fanfictions from various fandoms, and there's a high chance of finding great Caspian x Edmund fanfiction there.
One interesting 'Prince Caspian' fanfiction could be about Caspian's adventures before he met the Pevensies. Maybe it details his training as a prince and how he learned about Narnia's secrets.
The main themes include adventure. The whole story is filled with various adventures from battles to exploring new parts of Narnia. Friendship is also key. The relationship between the different characters, whether it's between the Narnians or between the Pevensie children and the Narnians, is based on friendship. And there is a theme of magic. Narnia is a magical world and the use of magic and the presence of magical creatures play an important role in the novel.
Prince Caspian is of course a very important character. He is the rightful heir to the throne of Narnia. The Pevensie children - Peter, Susan, Edmund and Lucy - are also crucial. They are summoned back to Narnia to help Caspian. Trumpkin, the dwarf, is an important character too. He is a bit grumpy but very loyal and helps the group in their adventures.
The theme of friendship and alliance is also prevalent. Hermione and Prince Caspian usually form an alliance. They work together towards a common goal, whether it's saving Narnia from a new threat or bringing about a better future for the land. Their friendship grows as they rely on each other's strengths and overcome their weaknesses.
The White Witch could make a great antagonist even in a Prince Caspian and Peter fanfiction. Her evil magic and desire for power are well - known. She could return in some form, perhaps a remnant of her magic that was left behind and has now taken on a new, more insidious form. Another option could be a power - hungry Narnian noble who wants to overthrow Prince Caspian and sees Peter as a threat to his plans. He could be sly and manipulative, causing trouble for both of them.