Well, a great positive is the creativity it sparks. Fanfic writers can give Castiel new powers or abilities and explore how he'd use them. Also, it can provide different perspectives on his relationships. For instance, his friendship with Sam could be explored in ways the show didn't fully cover. And it can keep the character alive in the fans' minds even after the show has ended.
Positive aspects include the opportunity to give Castiel more emotional depth. In fanfiction, we can see him experience a wider range of emotions than perhaps shown in the show. It also gives a platform for fans to express their love for the character. Additionally, it can introduce new characters or species into Castiel's storylines, making for interesting and unique reading experiences.
The clash of different universes is really interesting. For instance, when Castiel is put into a world like Middle - earth from Lord of the Rings, his angelic nature stands out so much against the more earthly magic and races there.
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 great aspect of Castiel and Dean in fanfiction is their dynamic. Their relationship, which is complex in the show, can be explored even further in fanfictions. Writers often delve into their unspoken bond, creating scenarios where they support each other in ways not shown in the original series. For example, some fanfictions might have them going on a road trip together just for the sake of exploring new places and having deep conversations about their pasts and futures.
Fanfiction about Castiel in Supernatural can be really interesting. Some 'hopeless' fanfictions might focus on his often tragic or difficult situations in the show. They could explore his loyalty to Dean and Sam even when things seem truly hopeless for him. Maybe it's about his struggle with his angelic nature and the chaos of the human world he's thrown into.
Another theme is the symbolism of his wings. Some fanfictions explore how his wings represent his angelic nature and his connection to Heaven. They might also delve into how the state of his wings reflects his emotional and spiritual state, like broken wings when he's feeling lost or damaged.
The 'alternate universe' trope is quite common too. For example, there are fics where Dean and Castiel are in a modern - day high school setting instead of the supernatural world they're usually in. It gives a fresh take on their characters and relationship.
There are fanfictions with the theme of alternate universes. In these stories, Dean and Castiel experience different versions of their relationship. For example, in one universe they might be rulers of a supernatural kingdom, and in another they could be ordinary humans. These themes add a lot of variety and intrigue to the fanfictions.
One common theme is the relationship between Castiel and Dean, with Misha's character often playing a significant role in their dynamic. Another is Castiel's journey to understand human emotions better, which can be explored in many different ways in fanfiction.
Some fanfictions in this category might involve Castiel dealing with the physical changes in a unique way, given his angelic nature. He could be both confused and curious about what is happening to his vessel. These stories often play with the idea of how the Supernatural world's rules interact with this very human - like situation of pregnancy.