Another common theme is the struggle between good and evil. Bella may find herself in the middle of battles between supernatural forces of good and bad. She has to decide which side she's on and how to fight. In many fanfictions, there's also the theme of self - discovery. As Bella is exposed to the supernatural, she learns more about herself and her own powers or abilities.
Love is a common theme. Often, Bella's relationships, whether it's romantic or platonic, are explored in the context of the supernatural. For example, her relationship with a supernatural being might be a central focus.
One common theme is identity. When Bella becomes a supernatural creature, she has to redefine who she is. For example, if she's a vampire, she has to deal with her new instincts and powers.
One common theme is the crossover of powers. Since Bella has her own unique abilities in Twilight and Supernatural is full of various powers, fanfictions often explore how these interact. Another theme is the clash of different mythologies. The Twilight vampires and werewolves meet the Supernatural demons, angels, etc.
One common theme is the idea of partnership. Since Bella and Dean come from different backgrounds, their partnership in facing supernatural threats is often explored. Another theme is self - discovery. Bella might learn more about herself as she gets involved in the dangerous world that Dean is used to.
Self - discovery is also often seen. As they interact with each other, both Bella and Will learn more about themselves, their strengths, weaknesses, and what they truly want in life. This theme makes the characters more relatable and the story more engaging.
One common theme is friendship. Their relationship often starts as a friendship that then develops into something more. They support each other through school and sports, which is a big part of the fanfiction.
In 'supernatural fanfiction', a frequent theme is the alternate universes. Writers like to imagine different versions of the 'Supernatural' world, where things happened differently. Romance is also a big theme, whether it's between the main characters or new characters introduced in the fanfic. Also, the origin stories of the supernatural beings are often explored, giving more background and depth to the existing lore.
One common theme is friendship. Many stories explore how bella and peter form a strong bond, whether it's through shared interests or going through difficult times together.
Love and support are common themes. Usually, Bella's relationship with Edward or other important characters deepens as they support her through the pregnancy.
One common theme is power and its consequences. Since Bella is a lich, she has a great deal of power, and often the stories explore how she copes with that power, whether she becomes corrupted by it or uses it for noble purposes.
One common theme could be Bella's struggle to overcome the abuse. It might show her journey of healing and finding strength within herself.