One great possessive Arthur Merlin fanfiction is 'The King's Devotion'. In this story, Arthur shows his possessive side towards Merlin in a very endearing yet intense way. It has a lot of emotional moments and their relationship is beautifully portrayed.
One aspect of 'possessive arthur x merlin fanfiction' could be the exploration of Arthur's possessive nature in relation to Merlin. It might show how Arthur is overprotective or territorial about Merlin. This could stem from their deep friendship and the importance Merlin has in Arthur's life, like in battles where Arthur always wants Merlin by his side and gets a bit possessive if others try to take Merlin's attention away from their mission.
Love and protection are common themes. Arthur's possessiveness often comes from his love for Merlin and his desire to protect him from harm. For example, in many fanfics, Arthur will not allow others to harm or even insult Merlin.
Love, in different forms, is also a theme. It could be platonic love with a possessive edge, or it could be budding romantic love. The fanfiction may explore how this love affects their actions and decisions. For example, Arthur's possessive actions might be his way of expressing love without fully realizing it. And Merlin's reaction to it can be a way to show the growth of their relationship.
The banter between Merlin and Arthur in fanfiction is really interesting. It can range from light - hearted jabs at each other's habits. Merlin might poke fun at Arthur's love for jousting and how he always gets a bit too competitive. Arthur could retort by mentioning Merlin's clumsy attempts at serving him. Their banter also reflects the underlying respect they have for each other despite their different social standings. It's like a friendly sparring that keeps their relationship dynamic.
The 'Redemption' trope is also seen in some fanfictions. Maybe Arthur has made some mistakes in the past, and Merlin helps him to redeem himself. Or vice versa. It's a way to explore the characters' growth and development. And then there's the 'Battle Against Evil' trope where they fight side by side against dark forces, which really showcases their bond and loyalty.
I really like 'The Sword in the Stone' as a fanfiction - like take on Merlin and Arthur. It shows Merlin as this wise and mysterious figure guiding Arthur on his journey to become king. There are also some great interactions between the two characters that show the deep bond they share. You can find it in many libraries or online bookstores.
You could check out 'Shadows of Arthur and Merlin'. In this fanfiction, the author creates a rather gloomy and intense atmosphere. It shows how Merlin tries to deal with a more menacing Arthur, and their interactions are full of tension and unexpected twists. It's really a fascinating read if you like this kind of pairing.
There's also 'Merlin, the Female Sorceress'. This fanfiction shows a strong - willed female Merlin who is not afraid to show her powers and fight for what she believes in, especially when it comes to her bond with Arthur. The author does a great job of developing their relationship in a believable way.
One great 'Merlin Arthur Gwen fanfiction' is 'The Bonds of Camelot'. It beautifully weaves the relationships between the three characters. It shows how Merlin's magic subtly influences the dynamic between Arthur and Gwen. Another one is 'A Triangular Affair' which delves deep into the complex feelings they all share for each other in a really engaging way.
Merlin would likely be seen as a bit of an enigma at Hogwarts. His magic is different from the norm, so he might be a bit of an outsider at first. But his kind heart and loyalty would soon win over his classmates. Arthur would be the brave and headstrong character, perhaps a bit like a Gryffindor version of his usual self. He'd be eager to learn about combat magic and would probably be a natural leader in group projects or Quidditch teams.