Well, in underfell sans abused fanfiction, a frequent theme is redemption. Sans may strive to redeem himself despite the abuse he has endured. There can also be a theme of finding trust again. Since he has been abused, it becomes a journey for him to trust others, like his friends or those who try to help him. Additionally, the theme of internal conflict is quite common as he battles with his own emotions and the memories of the abuse.
One common theme could be the exploration of Sans' struggle to overcome the abuse. Another might be the relationships he forms with other characters in the face of such a difficult past. Also, the impact of the abuse on his personality and actions is often a theme.
Common themes in this type of fanfiction include the psychological aftermath of abuse. Sans might experience things like PTSD or extreme self - doubt. Another theme is the power of friendship or love in helping him heal. For example, a new friend could come into his life and slowly start to break down the walls he has built up due to the abuse. And often, there is a theme of resilience, showing how Sans can still find a way to move forward in life, no matter how difficult the abuse has made things.
Another theme is friendship or partnership. They often come together to face challenges in the Underground. For example, in many fanfictions, they join forces to defeat a powerful monster or solve a mystery that threatens their world. This theme of unity despite their differences is really appealing.
Common themes in 'underfell sans x papyrus fanfiction' include power dynamics. Since Underfell is a harsher world, there might be a shift in the power balance between Sans and Papyrus. Additionally, redemption can be a theme. Maybe one of them has made mistakes in this unforgiving world and is seeking redemption. Also, the theme of trust, as they need to trust each other to survive in such a difficult environment.
One common theme is friendship. Despite their different natures, Sans and Grillby can be shown developing a deep bond. Another theme is the contrast between their personalities. Sans is often more laid - back and Grillby is more reserved, and exploring that contrast can make for interesting stories.
One common theme is friendship. Despite their differences from different AU's, they often form a unique bond.
The character development of Sans in this type of fanfiction is usually centered around his journey from a victim of abuse to a survivor. Initially, the abuse has left him with deep - seated insecurities and a negative view of the world. However, as he is exposed to positive influences, such as a caring friend or a new opportunity, his character begins to shift. He might start to develop new skills or interests that were suppressed due to the abuse. His relationships also change, from being guarded to more open and trusting. This development is often a slow and arduous process, but it is what makes the character so interesting in these fanfictions.
One common theme is the exploration of differences. Underfell sans and underswap papyrus are from different universes with distinct personalities. Fanfictions often focus on how they deal with these differences, like underfell sans's more aggressive nature compared to underswap papyrus's more positive and energetic self.
One popular theme is redemption. Underfell Sans is often portrayed as a more 'evil' or at least morally grey character compared to the regular Sans. So, stories might focus on his journey towards redemption with Frisk's help. Another theme is survival. Given the harsh nature of the Underfell world, they often have to fight for survival together.
A common theme is the exploration of differences. Since they are from different universes, their personalities and ways of life are different. Fanfics often focus on how they deal with these differences.
A plot could revolve around an accident that causes their universes to merge partially. Underfell Sans and Sans find themselves in a strange new reality where they have to figure out how to get back to their own universes. Along the way, they learn about the differences and similarities in their lives, and this leads to some really interesting character development.
Frisk would be a likely candidate. Since Frisk is the main character in Undertale and has a very adaptable personality. They could approach Underfell Sans with an open mind and try to understand him.