A theme that frequently appears is redemption. Sometimes Batman might be in a situation because of a mistake he made, and Superman saving him is a form of redemption. Also, the theme of heroism is prominent. Superman's act of saving Batman reaffirms their status as heroes and shows their selfless nature towards each other.
One common theme is redemption. It shows that even a character as chaotic as the Joker can have a moment of good. Another theme is the blurred line between hero and villain. It makes readers question if the Joker is really a villain in that moment.
One common theme is the exploration of their relationship in different universes. For example, in some fanfics, they might be in a world where Gotham is more peaceful, and they can focus more on their personal relationship without the constant threat of villains.
One common theme is redemption. Jason often has a troubled past, and Batman saving him can be seen as a step towards his redemption. It shows that Batman still believes in him and is willing to risk everything to bring him back from the brink.
A prevalent theme in Twilight Rachel fanfiction is love. Rachel may fall in love with a vampire, a werewolf, or even a human in the Twilight - influenced setting. Also, the theme of acceptance is quite common. She has to accept the existence of the supernatural and find her place among them. For example, in some fanfictions, Rachel struggles to accept the fact that vampires are real but eventually comes to terms with it.
One common theme is self - discovery. In many fanfictions, Rachel is often on a journey to find out more about herself, her abilities, or her past. For instance, in some stories she might learn that she has magical powers she never knew about.
Conflict is a theme that can add depth to the fanfiction. It could be an external conflict, like dealing with a difficult person or situation that threatens their relationship. Or it could be an internal conflict, such as Tim or Rachel struggling with their own insecurities while in the relationship.
Another theme is self - discovery. As they interact, both Abed and Rachel might discover new things about themselves. In some fanfictions, Rachel helps Abed better understand his emotions, and Abed helps Rachel be more confident in her own identity.
One common theme is friendship. Since they come from different backgrounds in the story world, their journey of becoming friends is often explored. For example, Percy being a demigod and Rachel having her own unique abilities.
Another theme is the combination of Rachel's mortal world and Percy's demigod world. Fanfictions like to show how they bridge the gap between these two very different worlds, for example, Rachel introducing Percy to modern art while Percy shows Rachel the secrets of the demigod realm.