Undertale Writing Prompts

Undertale/Deltarune prompts featuring all your faves! Credit not necessary but encouraged. Feel free to send me a link to your works. I'd love to see what you do with my prompts! Icon by @funsizemini. Updates every Monday. (Main UT blog: @Another-Undertale-Blog)

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I have an au where everyone is swapped around, yes- but it's different. It's confusing. Anyway, Asgore and Sans are best friends/boyfriends in the au- can you make a fluff prompt for that? Thanks

Of course!

It's a beautiful day outside! Asgore decides it's a perfect opportunity to teach Sans a thing or two about gardening. After all, what's better than sharing your passions with the people you love?

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Asgore and Sans have found themselves cooped up in Snowden during a blizzard. Time to snuggle up and find ways to pass the time together!

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what's your favorite undertale character?

Omg! I didn't even see this in my inbox! Sorry for the late response lol

My favorite character is Flowey/Asriel, hands down. I love his character arch! (my cat is named Asriel lol) I'm super excited for him to come home in Deltarune! I want to see my boy all grown up 😭

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Asgore prepares to fight the next human.

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A big snowstorm is heading to town! It's time to bundle up and find ways to pass the time!

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Flowey/Asriel experiences fireworks for the first time, but all he can hear are the gunshots from all those years ago.

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Your favorite character tries to keep up with their New Year's resolutions.

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It's Gyftmas! Time for Asgore to don his Santa Suit and treat the Underground to some much needed joy.

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The monsters' first Gyftmas on the surface!

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A universe where Chara and Asriel decide against the buttercup plan and actually get a chance to grow up.

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Chara finds a certain monster prince on the surface. Despite growing up with stories about evil creatures under the mountain, they choose to help him.

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Your favorite character gets a pet.

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Mettaton throws a party and everyone's invited!

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Humans, Monsters, Flowers. The Dreemurr family sure was strange.

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Toriel travels through Home one last time before leaving the Underground.

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Most people wouldn't forgive him for stealing their souls. But Papyrus wasn't most people.

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It's Halloween and your favorite character and company go trick-or-treating!

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Everyone gets together to carve some pumpkins! What could possibly go wrong?