Perhaps there's a special event or quest that forces Sans to use his full strength, and that's when everyone finds out just how strong he is.
It likely throws Sans for a loop. He's used to monsters, so seeing everyone human could make him confused and cautious at first.
Sans' integrity in Undertale fanfiction is also related to his sense of justice. He has his own view of what is right and wrong. If he sees someone being bullied or treated unfairly, he will step in. His actions are based on this internal moral compass, which is a big part of his integrity.
Maybe Papyrus challenges Sans to a friendly battle to figure it out.
Well, usually it happens when they have a direct confrontation or a battle. Maybe Sans shows off his powers in a critical moment and Undyne realizes his strength.
First, develop your OC well. Give them a unique personality, backstory, and appearance. For example, if your OC is shy, explain why. Second, understand Sans' character from the original Undertale. His laid - back yet observant nature should be reflected in the interactions. Third, create an interesting plot. Maybe your OC has a special power that affects the Undertale world in a new way. Also, use good grammar and spelling to make it a pleasant read.
No. The Undertale community is mainly about positive things like friendship and hope. Abuse of any character, especially in a fanfiction, goes against the values of the community.
To write a great Undertale Underfell Sans x Fell Toriel fanfiction, you need to research the Underfell universe thoroughly. Know the rules, the power dynamics, and the overall atmosphere. When it comes to their relationship, start with small moments. Maybe Fell Sans brings Fell Toriel a small gift, like a flower from the dangerous parts of the Underground. This simple act can start to break the ice between them. As for the writing style, use vivid descriptions to bring the Underfell setting to life. Describe the dark corridors and the menacing monsters in the background as their relationship unfolds.
It adds variety. The undertale fandom is huge and diverse, and frans lemon fanfiction offers a different take on the characters and their relationships. It gives fans who are interested in this particular pairing more content to enjoy.
You can try imitating the original voice of TV Sans and practice different tones and pitches. It takes some time and experimentation.
One reason could be the sense of community. When a lot of people are interested in something like sans memories fanfiction, it creates a shared interest. Fans can discuss these fanfictions, share their thoughts and interpretations, and it becomes a sort of social activity. Also, it can fill in the gaps in the official story that fans are eager to know more about.