Another theme is relationship exploration. This could include their relationship with each other in a different light, like a stronger sister - like bond. It could also involve romantic relationships with other characters from the 'Supernatural' universe, such as Castiel or Crowley.
One popular theme is role - reversal. With female Sam and Dean, they might take on different characteristics compared to their male counterparts. For example, female Dean could be more nurturing in some stories while still maintaining her tough exterior.
A prevalent theme in Supernatural Sam x Dean fanfiction is the idea of sacrifice. Given their dangerous lifestyle, there are many stories where one brother is willing to sacrifice himself for the other. Additionally, the theme of forgiveness is also there. Since they have differences and may make mistakes, fanfictions often show how they forgive each other and move forward in their relationship. And of course, the theme of their unbreakable bond no matter what challenges they face is always a big part of these fanfictions.
Another characteristic is the use of the Supernatural universe elements. Popular fanfictions will have demons, angels, and other creatures from the show. They might also play with the lore in interesting ways, like coming up with new ways to kill a demon or a different origin story for an angel. For example, a fanfiction might introduce a new type of werewolf that has unique abilities. And often, the fanfictions will keep the overall tone of the show, which is a mix of horror, action, and humor. Sam and Dean's sarcastic remarks to each other are a staple of the show, and you'll often find similar exchanges in the fanfictions.
A lot of fanfictions also explore themes of sacrifice. Dean and Sam are often put in situations where they have to sacrifice something for each other or for the greater good. It shows their selfless nature. Also, the theme of redemption can be found in some, especially when they deal with characters who have made mistakes in the past.
Well, the theme of redemption is quite common. Whether it's Dean trying to make up for past mistakes or Sam finding his way back from a dark path. Love and friendship also play a role. Sometimes it's about their relationship with other hunters or people they meet. And of course, the struggle against fate. Many fanfics have them trying to break free from a pre - determined destiny.
Redemption is another theme that can be found. Sometimes the characters make mistakes or have a dark past, and fanfictions may focus on how they try to redeem themselves. For example, Dean might have some regrets about past actions, and the fanfiction could be about him trying to make things right. These themes help to keep the fanfictions interesting and true to the spirit of the Supernatural series.
One popular storyline could be a magical or cursed situation that causes one of them to become pregnant against the normal laws of nature. For example, a spell gone wrong in a hunt that has unforeseen consequences. Another could involve some sort of alternate universe where male pregnancy is the norm and Sam and Dean have to navigate this new reality while still dealing with their usual hunting duties. And sometimes, it might be a really out - there concept where they are impregnated by some sort of otherworldly being as part of a deal or a plot to either save or destroy the world.
One common theme is differences in ideology. For example, Sam might be more inclined towards a certain way of dealing with a supernatural creature due to his time at Stanford and his different experiences, while Dean, with his more traditional hunter upbringing, disagrees. This can lead to a big fight between them.
In some of these fanfictions, a common theme might be growth and learning. Sam might learn from the experience of being spanked by Dean. It could be a way for the writer to explore how Sam can change his behavior or attitude. Also, the theme of forgiveness might be there. After such an intense situation, the two brothers may have to forgive each other and move forward, which is also an important aspect of their relationship in the 'Supernatural' series as a whole.
One common theme is loyalty. Sam and Dean are always loyal to each other in the fanfictions, just like in the show. Another is sacrifice. They are often willing to sacrifice for the other's well - being. Family is also a big theme as they are brothers and their family ties are central to the stories.
One common theme is loyalty. Their loyalty to each other is often explored in different ways, like how far they would go for one another. It's a fundamental part of their relationship in the fanfictions.