What are the common themes in 'Harry is Castiel's vessel' fanfiction?

Yes, there are quite a few. You can check out fanfiction websites like Archive of Our Own. There you might find some interesting takes on this concept, with different plotlines and character developments. Some might explore how Harry's world and Castiel's world interact when he becomes the vessel, while others could focus on the emotional and physical changes Harry experiences.

Themes of protection and destiny are also common. Given Castiel's role as an angel, there's often a sense of him protecting Harry from various threats. Destiny comes into play as Harry might be seen as having a special purpose in both worlds. In some stories, it's about uniting the two worlds, which means Harry has to overcome many obstacles. There can also be themes of friendship, as Harry's friends from the wizarding world react to his newfound angelic heritage and he has to deal with new relationships in the Supernatural world as well.

Well, a frequent theme is the exploration of different power structures. In Harry Potter, there's the hierarchy in the wizarding world, and in Castiel's world, there are hierarchies among angels. Fanfiction might look at how these different power systems compare and contrast. Also, friendship across different universes is a common theme. Characters from Harry Potter and Castiel's world forming bonds despite their differences.

Friendship is also a big theme. Harry and Castiel are from different universes, so the development of their friendship is often at the center of the stories. They have to overcome cultural and power - based differences to become friends, which makes for an interesting read.

One common theme is the exploration of two different universes coming together. Since Harry is from the Harry Potter universe and Castiel from Supernatural, there's often a lot of world - building to make their meeting and relationship believable.

One popular one might be 'The Female Vessel's Journey'. It delves into how a female character becomes Castiel's vessel and her experiences in the Supernatural world. She has to deal with the power and the knowledge that comes with being a vessel for an angel like Castiel. It's really interesting as it shows a different perspective on the whole vessel concept.

In many 'harry x castiel angel of death fanfiction', the theme of identity also comes up. Both characters have very distinct identities. Harry is known as a wizard, a hero in his own right. Castiel is an angel with a specific role. When they come together, they often question and redefine their identities. They might start to see themselves in a new light because of their relationship with each other. This exploration of self - identity in the context of their relationship is quite common.

One common theme is redemption. Since Castiel has made some mistakes in the show, a lot of fanfiction focuses on him trying to make up for those. Another theme is his relationship with the other main characters, like Dean and Sam. His loyalty and how it is tested is often explored.

One common theme is Castiel's struggle with his angelic nature and his growing humanity. He often has to choose between following angelic orders and doing what he believes is right. Another theme is his loyalty to the Winchesters, especially Dean. His relationship with Dean is a central focus in many fanfics, whether it's a deep friendship or something more. Also, themes of redemption are common, as Castiel has made many mistakes in the series and fanfics often explore his path to redemption.

One common theme is redemption. When Castiel is hurt, often the story will revolve around him finding a way to redeem himself, whether it's from a mistake he made that led to his pain or just from a sense of lost purpose. For example, in some fanfictions, he might have been hurt because he trusted the wrong entity and then has to make amends.