Well, one characteristic is the blend of different universes. Since sans and reigen are from different fictional worlds, fanfics often play with the idea of how these two very different worlds collide. For example, in some, the magic or powers from each world interact in unique ways.
Another characteristic is the exploration of their personalities. Sans is known for his laid - back yet deep - thinking nature, while reigen is more of a showman. Fanfics usually explore how these personalities mesh or conflict. They might have dialogues where reigen's over - the - top attitude meets sans' cool - headedness. It can lead to some really interesting character dynamics.
One popular sans x reigen fanfic is 'Crossed Realms'. It weaves an interesting story where the two characters from different universes interact in unexpected ways. It has great character development and a unique plotline.
One characteristic could be the unique blend of the horror and lust elements from the two 'sans' characters. It might play with the contrast between the spooky or menacing nature of horror sans and the more sensuous or alluring aspects of lust sans.
One characteristic is the strong focus on their brotherly relationship. Fanfics often show how Sans and Papyrus rely on each other, like in how Sans might be the more laid - back one while Papyrus is full of energy and enthusiasm, and they balance each other out. Another is the use of the unique Underground setting. It provides a backdrop for their adventures and interactions. For example, they might be dealing with other monsters while also strengthening their own bond.
A common theme is friendship. Their relationship is often explored in depth, showing how they rely on each other. For example, in many fanfics, mob looks up to reigen for guidance.
Typically, 'cat sans fanfic' often features a cat - like version of Sans. It usually has elements of fantasy, like unique magical abilities for the character. For example, in some, Cat Sans can teleport like the original Sans but in a more cat - like way, with a puff of cat - shaped smoke.
Often, 'betty x sans fanfiction' features unique character interactions. Betty's mysterious nature combined with Sans' laid - back yet perceptive personality can lead to some really interesting dialogue.
In some fanfictions, sans is often depicted as laid - back and sarcastic, while chara can be shown as complex and mysterious. Their relationship might be one of mutual understanding, especially if the story delves into the deeper lore of the game world they come from.
One popular sans x sans fanfic could be those that explore their unique friendship in different AUs (Alternate Universes). For example, some might focus on how they interact during a time of crisis in the Underground. Another type could be the ones that delve into their shared experiences and how they support each other through hardships. There are also fanfics that might take a more comical approach, showing their humorous banter and silly antics together.
A good one often has well - developed characters. Since Blueberry Sans is usually portrayed as positive and Fell Sans as more edgy, showing how they interact and influence each other in an interesting way is key. For example, Blueberry's optimism could start to rub off on Fell Sans.
Characterization is key. A good fanfic should accurately portray the personalities of both Underswap Sans and Underfell Sans. Their unique traits, like Underswap Sans' more positive and friendly nature compared to Underfell Sans' tougher exterior, should be well - presented.