dandelion-undertale-prompts

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Deltarune Side Prompts 1

These prompts were made quite a while ago, likely years ago, but were misplaced until now. These should be considered bonus content to the main Deltarune prompts.

Crackfic in which Rudy Holiday (who has a wife) is the object of both Toriel's and Asgore's affections.

Rudy Holiday learns he's "probably dead in another universe".

Asgore and Rudy Holiday bond over facial hair/horn care.

Asgore gives Rudy Holiday a horn care product (e.g., polish), and only later learns antlers react differently to the product than horns...

The day before picture day at school, Kris experiences weird side effects from monster/pet shampoo.

After monster/pet shampoo causes weird side effects for Kris, Toriel desperately shops for human shampoo.

Rudy Holiday's medical condition is just Munchausen's syndrome---he's faking it for attention.

Kris shows Rudy a drawing of Gyftrot (who doesn't appear in Deltarune). Rudy is astounded at how handsome Gyftrot is.

Rudy Holiday reads an article on gross facts about reindeer. He is very disturbed.

Noelle Holiday's antlers fall off (as reindeer antlers do). She reacts like it's a embarassing haircut...

By mistake, the "sick grape juice" at Hometown's church is actually pineapple juice...

Ralsei asks what it's like going to Hometown's church. Kris tells Ralsei increasingly improbable details he takes at face value.

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While there are still not enough prompts for another post, this reblog is seasonal and may prove pleasing.

ArgentDandelion’s Undertale Prompts: Christmas (and winter) Edition

Post-Pacifist: Humans are confused that Gyftmas has certain odd traditions that distinguish it from Christmas.

Post-Pacifist: Frisk tries to trick Toriel into kissing Asgore by using a salt lick on a string in lieu of a mistletoe sprig. (It doesn’t work.) 

Keep reading

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No Prompts

There are also no prompts for today.

It will take some time to build up a few pages' worth of prompts. Until then, please browse the archives when in need of Undertale/Deltarune art and writing prompts.

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No Prompts

There are no prompts for today. I will have to make more later.

(This post will be deleted later.)

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ArgentDandelion’s Deltarune Prompts 5

Involves Kris and gender, Ralsei going nuts, The Red SOUL ruining Kris's life, divorce-related awkwardness, and what "Kris" is short for.

AU/Pre-Game: Asriel attempts to feed Kris's soul heart-shaped cookies, only to realize that's probably like cannibalism.

Post-Chapter 1: Ralsei obtains a mechanical-pencil-turned-gun. He goes mad with power on enforcing pacifism.

Post-Chapter 1/Most timelines: Kris tries to steal Undyne’s gun, only to realize she doesn’t have one.

Post-Chapter 1: Ralsei goes mad with hedonism (e.g., eating six pieces of candy at once) and debauchery. (e.g., kissing Kris’s face without double-checking after the first permission)

Most timelines: Ralsei makes suspiciously specific denials of being depressed when the Lightners aren’t around.

AU: Kris has depression, but the Red SOUL forces them to act more-or-less "normal". Finally Kris yells: "Let me be depressed!"

Post-Chapter 1: Ralsei gets “drunk” on soda and unleashes some disturbing but pathetic information about himself.

Most timelines: Someone asks Kris what their gender is. Kris says something along with the lines of, "That was a character creation option?"

Most timelines: Someone asks Kris why they're a "genderless weirdo." Kris explains it's the most strategic configuration.

Most timelines: Under a form that lists gender as "M" or "F", Kris puts in "N". A teacher is shocked and tells them that they can't simply put in "N" as an option. Kris puts in "T". (It works.)

Most timelines: Kris is asked whether they would kiss an alternate-universe gender-swapped version of themselves. Kris says they're not their own type.

Post-Game: Asgore is over for Thanksgiving, but Asriel isn't there. The Red SOUL keeps rewinding time whenever the conversation ends with Asgore awkwardly leaving, forcing Kris to listen to the same bitter conversations repeatedly.

Post-Chapter 1: Kris tells a Hathy (which cannot speak) about their parents' divorce/separation. Unexpectedly, it was the one Hathy who could talk...

Game Timeline: A Jigsawry tells a Rudinn that a blue-skinned human named Kris is roaming around. The Rudinn, incredulous, says: "Like I'd believe that. It's just blue-di-kris."

Post-Game: Susie guesses what "Kris" stands for, going from "Kristoff", to "Kristopher", to "Kristopherina".

Most timelines: Everyone in Kris's class has a different notion of what "Kris" is short for, and just never tell Kris about it.

AU: The Red SOUL informs Kris it loves "genderless kids". Kris wears a shirt that simultaneously has the male and female symbol on it, causing the Red SOUL to explode out of confusion.

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ArgentDandelion’s Deltarune Prompts 4

Most timelines: Kris commands Ralsei to cast Pacify on Kris themselves. It's an awkward request...

Post-Game: Kris keeps calling to Susie at night. (But it's actually The Red SOUL)

Most timelines: Kris asks whether Ralsei would like them if they weren’t a Lightner.

Most timelines/AU: Ralsei’s eyes brim with tears when Susie and Kris leave; embarrassingly, the two return a few seconds later.

Most timelines: Ralsei knows how to braid hair. Susie questions how he even knows.

Pre-Game: Ralsei, in his loneliness, talks to select rocks and bricks as if they’re people.

Most timelines: Kris, thinking back at something the Spade King said, wonders whether Lightners are supernaturally persuasive towards Lightners.

Most timelines: Upon seeing Ralsei in the White Ribbon, Kris loves it so much their SOUL ejects itself from their body. (a la hearts equalling love)

Pre-Game: Kris steals a hawk head for the Sadie Hawkman dance and pretends to be a bird monster.

Most timelines: Noelle commits underage drinking by drinking eggnog.

Most timelines: Noelle's dad pranks her by letting her "get away with" drinking eggnog (an alcoholic beverage) underage...when he replaced the alcohol with a bitter flavor chemical years ago.

Most timelines: Hearing Susie's pastime is "delinquency", Noelle deliberately puts a "keep off the grass" sign on her front lawn.

Most timelines: Susie discovers a glitch in reality: by shouting "X", she actually does run faster.

Most timelines: Kris thinks about what Asgore is doing really hard, and their SOUL suddenly is out controlling Asgore.

Most timelines: Kris's SOUL is out on a harebrained scheme to get Kris's parents back together, upsetting Kris.

Most timelines: Kris feels their SOUL is calling out to them...and so treats it like a loud parrot by putting a blanket over a cage.

Most timelines: Kris panics when Susie physically touches their SOUL on accident.

AU: Susie doesn't want to save the Dark World herself. The prophecy just said "a monster", so she swaps herself out with Noelle.

AU/Pre-Game: Kris tries to bleach their hair white. (Possibly to look slightly more like a Boss Monster)

AU: Kris stores their SOUL in a cage. While investigating the cage, Asriel accidentally absorbs Kris's soul....

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ArgentDandelion’s Deltarune Prompts 3

Contains Susie giving Ralsei advice, The Red SOUL messing things up, Susie and Kris eating pizza, divorce, and Asriel going to the Dark World.

Most timelines: Onionsan is so isolated from the rest of Hometown they don’t even know Kris is human. Kris finds this refreshing.

Post-Game: The Red SOUL possesses Kris and makes them kiss Ralsei. Angst ensues.

Post-Game: Kris kisses Ralsei. Ralsei enters a catatonic state and is stuck in place; someone jokes about using him as a door stop.

Post-Game: It’s Halloween in Hometown. Kris is trying to find “a doctor—and donuts”.

Post-Game/AU: Asriel is brought into the Dark World and everyone marvels at how cool he is—cooler than Kris, even.

Most timelines: Susie asks Lancer if his Lancer cookies taste like his face.

Most timelines: Susie rips off the melted cheese of cheese pizza first.

Most timelines: Kris eats pizza wrong.

Post-Game: Ralsei is brought to the Light World. He finds that, in the Light World, Darkners don’t feel fulfilled by assisting Lightners, which distresses him.

Most timelines: Ralsei has dummy versions of Susie and Kris in a room in a castle...before he even met them.

Post-Game: Susie pities Ralsei’s friend-making ability and tries to give him advice.

Most timelines: The Spade King lands in a gloppy chocolate swamp (a la Candyland).

Post-Game: Someone puts a tile from the game Mahjong in a storage closet. Ralsei gets his first subject: the chrysanthemum tile in Mahjong.

Most timelines/AU: Kris receives a lot of money in rent from The Red SOUL.

Most timelines: Kris tutors Ralsei on how to hug people.

Most timelines: Jevil attends spin class.

AU: Ralsei has a crush on Kris, and then learns he resembles a younger version of Kris's adoptive older brother. Things get awkward...

Most timelines: Susie asks Ralsei why he doesn't just befriend people from other kingdoms if he's so lonely.

AU: Asriel manifests as a flower in the Dark World, and fights Ralsei.

Separation Time: Asgore’s and Toriel’s divorce is finalized. Kris tearfully runs away, and Asriel must find them.

Separation Time: Kris wonders if the fact they’re human had something to do with Toriel and Asgore divorcing. (It didn’t.)

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ArgentDandelion’s Deltarune Prompts 2

(Contains fifteen prompts.)

Post-Chapter 1: Kris eagerly brings Asriel into the Dark World during a holiday break.

Post-Chapter 1/AU: Asriel is embarrassed and/or terrified that his Dark World form is a limbless flower.

Post-Chapter 1: Susie nonchalantly talks about “coming out of the closet” (the cabinet leading to the Dark World) to Noelle. Noelle misunderstands the situation.

Post-Chapter 1: Kris and Susie repeatedly refer to the storage cabinet leading to the Dark World as a “closet” in a heated discussion. An eavesdropping Noelle consults a memoir on “coming out of the closet” to no avail.

Post-Chapter 1: Noelle learns that when Susie was talking about “coming out of the closet” (the storage cabinet leading to the Dark World) it was literal. (She is humorously distressed.)

Post-Chapter 1: Kris suggests putting Berdly “in the closet” (the Dark World) to get rid of him.

Post-Chapter 1: Misunderstanding Susie talking about the entrance to the Dark World, Noelle starts a “Closet Club” as a ploy to get closer to her.

Post-Chapter 1: The Jevilstail, equipped by Susie, telepathically gives her advice.

Post-Chapter 1: Asriel uses his influence in Hometown to get Susie unbanned from Free Ham Sandwich Day. Susie has sparkles in her eyes.

Most timelines: Noelle timidly lures Susie into an unused schoolroom with a ham sandwich on a fishing rod.

Post-Chapter 1/AU: Asriel cries after seeing Ralsei is just a younger version of himself.

Post-Chapter 1/AU: Kris lists their gender as “Kris”. Everyone accepts this.

Most timelines: Kris gets antipsychotic medication to stop the Red SOUL from controlling them. It  doesn’t work.

Most timelines/AU: Kris demands the Red SOUL pay rent for possessing their body.

Most timelines/AU: After being brought to a hospital after a chest injury, doctors observe scars on Kris’s chest from when they took out their own SOUL too roughly.

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Out of Prompts

Today will not feature another page of Undertale prompts: Page 114 was the last page on the Undertale Prompts document. Since there's no queue left, Deltarune prompts should be released instead.

(This message shall be deleted later.)

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ArgentDandelion’s Undertale Prompts 114

Post-Pacifist: Onionsan (who is very large) stars in creative advertisements for plus-size clothing.

Post-Pacifist: Asgore is sent to prison for his crimes...as is everyone who has ever killed or knowingly endangered a human in the past hundred years.

Post-Pacifist: Most of the cast gets sent to prison for trying to kill Frisk. Sans gets off easy...but Frisk wonders whether to reveal his crimes.

Post-Pacifist: (Slightly dirty) Toriel tells an innocent monster joke that makes another human spit out their drink. (e.g., "You know what they say about men with big feet...they also have big paws.")

Post-Pacifist: (ANGST) An older Frisk gets traumatic flashbacks when covering the more gruesome, murderous aspects of history class or a comparable documentary.

Post-Pacifist/AU: Frisk, apropos of nothing, starts killing off monsters. Flowey must find the Second-Most-Determined Person and get them to stop Frisk.

AU: Frisk brutally beats everyone in the Underground in a rap-off or dance-off, and gets to Sans...who’s a little annoyed Frisk hurt his brother’s confidence in his dancing ability.

Post-Pacifist: While visiting a kiddie roller coaster (where parents don't ride with their kids), a ride attendant assumes Papyrus is Sans' dad.

Most timelines: All ghosts look identical, and Napstablook must differentiate using headphones.

AU: Frisk deliberately dies (e.g., by eating a Tide Pod) in order to reset the timeline. Surprisingly, they gain LV, because they technically killed someone. (Inspired by Risen Child)

AU: Alphys finds herself in the role of Fanon Sans as a “hero of the timeline.” She is very ill-equipped...

Post-Neutral/AU: In the Annoying Dog ending, all the killed bosses eventually show up, with various excuses for their absences. Sans eventually discovers The Annoying Dog himself is resurrecting them...and it’s a disturbing process.

Post-Neutral: Napstablook is distressed at the Dirty Hacker ending. Lots of people seem dead at one moment, and alive at another.

AU: Short, big-headed Canon Sans keeps offering a tense, attractively-proportioned Fanon Sans a hot dog.

AU: Sans lures in Papyrus with a piece of paper on attached to a string on a fishing rod. The piece of paper says, “Power, prestige, and popularity”. (Sans is surprised it works.)

Post-Pacifist: Flowey visits a graveyard and pointedly avoids all the graves...because he doesn’t want to eat humans by proxy.

Post-Pacifist: Flowey criticizes someone’s brownies as tasting like manure, saying something like: “I would know, I’ve tried fertilizer!”

Post-Pacifist: Flowey has a video series where he reviews synthetic fertilizer...on taste.

Post-Pacifist: Flowey has a very aggressive video series where he chastises people on common gardening mistakes.

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ArgentDandelion’s Undertale Prompts 113

Post-Pacifist: Some anti-monster humans capture Flowey and try to torture him with weed killer. What they don't know was that it was actually concentrated fertilizer…

Post-Neutral/Post-Pacifist: People get suspicious of Mettaton actually being a sentient robot created by Doctor Alphys. Mettaton must provide evidence of Alphys' work developing his body.

Post-Neutral/Post-Pacifist: Mettaton shows off blueprints, prototypes, and in-progress images of his robotic body as if they're baby photos.

Most timelines: So Sorry is baffled when Mettaton commissions him to photo-manipulate some old family photos so one of the ghosts has his face.

Post-Pacifist: So Sorry is invited to an event on human-monster relations, and sees an obese diplomat…

Pre-Frisk: Undyne gets promoted in the Royal Guard after beating everyone up.

AU: Asgore and/or Toriel are reluctant to tell Asriel how monsters/Boss Monsters specifically reproduce...but Chara already knows.

AU: Asriel, having read part of a water-damaged book on human biology, asks Chara if they're a boy or a girl. Chara evasively says Asriel doesn't know much about how humans work.

AU: Frisk absorbs Asgore’s SOUL and escapes Flowey through the barrier. Years later, Frisk returns to find Omega Flowey the ruler of the Underground.

Most timelines: Undyne injures herself trying out Pop Rocks. (i.e., an American brand of popping candy that leaves a tingling sensation when eaten)

Most timelines: Woshua cleans the cooling dirt off RG02's armor. RG02 mentions cooling dirt is expensive.

AU: After learning he's too "innocent and nice" to ever be let in the Royal Guard, Papyrus secretly interviews every member of the Royal Guard on how they got in.

AU: After learning Undyne will never let him in the Royal Guard, Papyrus...just goes straight to Asgore.

AU: Asgore himself makes Papyrus part of the Royal Guard. Later, Papyrus tells Undyne that Asgore let him in partly because he was so "innocent and nice". (possibly passive-aggressively)

AU: A fallen human makes a persuasive case that human ought to be in the Royal Guard, since humans don’t take extra damage from murderous intent.

Post-Pacifist: When anti-monster humans bring up the conspiracy Asgore poisoned Chara himself, Flowey must reveal the grisly truth...

Post-Pacifist: Anti-monster humans stir up danger online. Frisk unexpectedly shows up at the house of someone about to post something mean on the Internet...

AU: A bunch of people believe Frisk is the second coming of Jesus.

Most timelines: Asgore gets his horns stuck in a bush or small space.

Post-Neutral/Post-Pacifist: Toriel wears a fake blond beard/something resembling it. Papyrus, who has just now stopped calling her “Asgore’s clone”, is utterly confused.

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ArgentDandelion’s Undertale Prompts 112

Most timelines: The Purple SOUL demands sauce.

Genocide: After slashing Flowey to bits, the genocidal human decides to make tea from his remains.

Pre-Frisk/AU: Young Undyne runs with scissors. Things do not go well. (from askroyalchildren)

Post Pacifist/AU: Toriel warns Undyne not to run with scissors. Undyne heeds this warning. (from askroyalchildren)

Most timelines: After mispronouncing The Fallen Child's name a few times, someone goes with increasingly improbable mispronunciations. (e.g., Churu, Char-Char, Charmander, Char-grizzle, Charbroiled...)

Most timelines/AU: Sans gets two jobs as a judge and executioner. He also disguised himself to be every member of the jury, like old Looney Toons cartoons. (from askroyalchildren)

Most timelines/AU: Papyrus is arrested for a crime and is put on trial.

AU: The Player, controlling Frisk's body, forces them to do awful/extremely violent things. Rather unexpectedly, Frisk later gains control of The Player's body...

AU: Frisk realizes someone else has control of the timeline...a politically influential anti-monster politician. Frisk must find a way to stop them without them getting suspicious.

Post-Pacifist: Frisk quits the job as monsterkind's ambassador...and gives the job to Flowey.

Post-Pacifist/AU: As some flowers do, Flowey keeps going dormant (seemingly dying) for the winter and regrowing in the spring.

AU: W.D. Gaster manifests in reality....with the body of Prototype Male Alphys. (Alphys was originally designed to be male, but Toby Fox quickly grew to dislike the idea and so added eyelashes to her)

AU: Undyne spends some time with Alphys, but feels zero romantic feelings for her. Eventually she realizes it’s an impostor: Prototype Male Alphys.

AU: Undyne must spot the impostor between an eyelash-less real Alphys and an eyelash-less Prototype Male Alphys. Unfortunately, they look and sound identical.

AU: Mysterious monsters of Hotland talk about the genius of the late royal scientist... A.L. Phys. (Alphys)

AU: Gaster is repeatedly compared negatively to the former royal scientist, A.L. Phys (Alphys).

AU: Undertale and Deltarune characters consider the lives of their respective counterparts nightmares. (e.g., Deltarune Asgore’s counterpart is a king bound by duty to kill/order the deaths of people, Undertale Undyne’s counterpart doesn't know about either Alphys or anime)

Most timelines/AU: Undyne refuses to wear anything made of polyester. Frisk gets nosy about it…

Post-Pacifist/AU: Undyne takes her eyepatch off before sleeping (like with glasses), only to forget to put it back on again as Alphys walks into the room.

Flowey Run: Flowey imitates Asgore's voice while hiding and says very mean things to Undyne.

Flowey Run: Flowey impersonates Asgore. Undyne finds out and utterly destroys Flowey.

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ArgentDandelion’s Undertale Prompts 111

(Contains 18 prompts. Contains misinterpretations of human first aid, unusual work demands for Grillby, and a showdown between Asgore and himself.)

Genocide/AU: Asgore absorbs the human SOULs, crosses the barrier...and takes the genocidal human's body to the nearest human village for the proper funeral rites.

Genocide/Neutral/AU: Asgore learns Toriel is dead. Alphys realizes her boss is officially a widower and safe for dating, before dismissing her selfishness.

AU: Asgore absorbs six human SOULs and crosses the barrier. Wanting humans to give him a SOUL willingly, he agrees to use his near-godlike healing magic to heal injuries.

Most timelines: Asgore mistakes a medical-themed TV show (e.g., a medical drama) for valid medical instructions on human ailments.

Most timelines: Mettaton suggests Alphys use her electricity magic to heal a minor injury. After all, using electricity and shouting “clear!” works for various ailments in "human documentaries".

Asriel and Chara Time: With very limited medical knowledge, Chara must draw a diagram for a broken/sprained ankle/leg. (whatever their injury was)

Most timelines: Humans repeatedly tell Grillby to take off his shirt to see his “hot abs”. Finally, Grillby obliges—showing a blobby fiery form under his clothes.

Most timelines: Sans refers to Grillby using puns, a la “hot stuff”. Grillby dismisses it as a crude pun...until the Drunk Bunny refers to Sans himself as “hot stuff”.

Most timelines: Sans chatters on about Papyrus diagnosing him with depression, trying to refute it. Grillby hands him a business card for a therapist. (Because he's just a bartender.)

Post-Pacifist: Ever-forgiving Papyrus has several human friends who all tried to kill or harm him at some point.

Post-Pacifist: Grillby learns humans “ship” him with Sans, which baffles him...until he learns these particular humans “ship” bartenders and their bars' most frequent patrons with each other all the time. 

Pacifist/AU: Word gets out a human is living in Snowdin. Asgore claims he can't kill this obviously harmless human because if he does, Santa (actually himself) will beat him up. 

Pacifist/AU: Frisk has been living peacefully in Snowdin for a while. Asgore tells Undyne Santa will beat him up if he kills Frisk....and Undyne offers to beat Santa up. 

Pacifist/AU: A ploy to protect Frisk goes way out of hand, and Asgore, as Santa, must beat up the entire royal guard.

Pacifist/AU: Sans gives some gossip to Toriel through the door: Asgore's afraid to visit Snowdin because Frisk (who is living there) is under Santa's protection.

Pacifist/AU: Believing “Santa” (Asgore) will definitely kill Frisk in Snowdin, Toriel leaves the Ruins for once. 

Pacifist/AU: Asgore says Santa will beat him up if he kills the obviously harmless Frisk. Snowdin citizens revolt at a Santa-Asgore showdown. 

Post-Pacifist: Sans ruins navigation apps' data by taking “shortcuts”.

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ArgentDandelion’s Undertale Prompts 110

Contains Whimsuns and high-speed vehicles, unnerving predictions for Papyrus, and rebelling against King Mettaton.

Time of Fallen Humans/Most timelines: A fallen human/Frisk signs a legal contract that Asgore can use their SOUL when they die of old age.

Pacifist: Asriel, God of Hyperdeath, uses his powers to make Asgore and Toriel forget about the declaration of war and love each other again. (Then he remembers that kissing is gross.)

Post-Pacifist: With her long tail, Alphys has trouble sitting in a crowded bus.

Post-Pacifist: Whimsuns hover in the air on a high-speed train/subway vehicle. Then the vehicle moves fast....

Post-Pacifist: A human gets in trouble accidentally killing a Whimsun on the windshield of a car or truck.

Post-Pacifist: A human in love with a Moldsmal accidentally slurps it while kissing it.

Flowey Run/Most timelines: Flowey/Frisk decides to check out how many monsters in the Underground purr when petted. Then Flowey/Frisk has to go pet Asgore...

Most timelines (?) /AU: In the Ruins, Frisk persuades Flowey to help them in a plan to get Asgore and Toriel back together again. Flowey has ulterior motives...

Neutral: Papyrus wins over Politics Bear in an election to become ruler of the Underground.

Post-Neutral: King Papyrus bemoans his position of being king, suggesting being ambassador to humanity would be much less work.

AU: Frisk tells Papyrus his future: he might become king, ambassador to humanity, part of the royal guard, the person with the Most Important Royal Position, or...killed by a small child.

AU: Frisk tells Papyrus that, in some of his futures, he's killed trying to stop a hostile human...but succeeds posthumously. Papyrus doesn't know whether to be happy or concerned.

Most timelines: Sans is legally certified as a judge...for games of Tic-Tac-Toe.

Post-Pacifist: Sans and Papyrus are trying on wigs, and Sans wears a curly judge wig.

AU: King Papyrus calls Undyne's phone number, not expecting a response. But, somehow, he calls Undyne from another timeline...

Post-Neutral: Burgerpants leads a heroic rebellion against King Mettaton.

Post-Neutral: After the King Mettaton ending, a human falls into the Underground. Within the seclusion of the Ruins, monsters train the human to defeat Mettaton.

Post-Pacifist: Burgerpants acts in a short film where Onionsan feeds him a submarine sandwich. Burgerpants is astonished that people love the film so much.

Genocide/AU: Asgore absorbs the human SOULs, but then refuses to use the genocidal human's SOUL to break the barrier.

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ArgentDandelion’s Undertale Prompts 109

Post-Pacifist: Undyne tries to get a job as a police officer on the Surface, but is beaten as the first monster police officer by someone unexpected...

Most timelines: Sans learns his shortcuts are destabilizing reality itself. He tries to minimize this, but then Papyrus illustrates the full extent of his laziness...

Most timelines: Asgore and Toriel bicker on the minutiae of proper horn-polishing technique.

Post-Pacifist: Papyrus finds himself at a paleontology convention, where he quickly becomes the most popular thing there.

Post-Pacifist: Sans meets someone whose name is actually “Reader”. He talks about how weird this is.

Most timelines: Napstablook accidentally possesses (or tries to possess) Papyrus's body.

Post-Pacifist: Mad Dummy/Mad Mew Mew takes Napstablook body-shopping at a huge department store.

Post-Pacifist: Mettaton dresses up as Jareth, the Goblin King. (Labyrinth) Unfortunately, he can't use his Mettaton EX body...(The Anomaly reference)

Most timelines: Alphys, clandestinely writing a real-person ship fic, keeps getting interrupted.

Most timelines: Undyne's mom keeps wanting to meet Papyrus.

Post-Pacifist: Frisk, the little goody two-shoes, is devastating in rap battles.

Post-Pacifist: A small child who doesn't know much about goats mistakes Toriel for a large puppy.

Post-Pacifist: Some mean kids tease Frisk by making puns about their mother being “a sheep”. Then Toriel comes in....

Post-Pacifist: People keep hitting on Toriel at bars, and she's totally unprepared.

Most timelines: Flowey tells Frisk a secret: Jerry is great at using hula hoops.

AU: Frisk avoids Asgore and officially becomes a citizen of the Underground. Then Asgore shows up and recognizes Frisk is a human...

AU: Asgore shows up in Snowdin (as Santa) and warns Frisk that Asgore is “on the naughty list”.

AU: Asgore, disguised as Santa, obliquely warns Frisk to avoid Asgore because he's “on the naughty list”. Unfortunately, Frisk goes all the way to Asgore to tell him about this...

AU: Assumed a monster, Frisk eventually gains legal citizenship. Asgore makes the argument killing a citizen would set a bad precedent.

Time of Fallen Humans/Most timelines: Caught by the Royal Guard, a fallen human/Frisk argues the terms of the declaration of war (“all humans who fall into the Underground must die”) didn't specify the cause of death, and dying of old age is also acceptable.

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ArgentDandelion’s Undertale Prompts 108

Most timelines: Sans receives a fancy letter from Grillby, in curlicue writing. He opens it. In big, plain writing, it says: “Pay your tab”.

Post-Pacifist: A commercial uses the slime dad NPC as an actor for mustache wax.

Post-Pacifist: A human uses a chain of insults that happen to physically correspond with surrounding monsters (e.g., using “slimeball” for a spherical slime monster). It is the most embarrassing day for the human.

Post-Pacifist: Some time after firing Alphys, Toriel considers installing a human as the royal scientist. Complications arise...

Most timelines: Papyrus is informed of the tradition monsters sleep under the beds of human children, and is asked whether the reverse is true Underground. He over-complicates things...

Most timelines/AU: Papyrus tells Sans there's something under his bed. Sans goes to Papyrus's room to find a murderous human peeking out from under Papyrus's bed.

Most timelines: Flowey sees a goat eat a normal golden flower, and is shocked.

Most timelines: Alphys overloads an electric blanket with her electricity magic.

Most timelines: Mettaton seems unconscious or dying. Alphys frantically tries to resuscitate him in an improper way (e.g., breath of life, pushing his chest) before remembering he's a robot.

Most timelines: Mettaton runs out of battery and has no means to charge himself. Alphys must revive him using her electrical bullets.

Most timelines: Far from any way to charge him, Alphys must charge Mettaton's battery using electrical bullets. Unfortunately, she has trouble manifesting her magic unless very scared, and so has to scare herself somehow.

Most timelines: Mettaton learns Alphys charged up his batteries using electricity magic. She avoids explaining how.

Most timelines: Mettaton, being made of metal, is heavy. He finds himself sinking rapidly in quicksand/a bog.

Most timelines: Mettaton EX outmaneuvers someone by unexpectedly changing into his boxy form and using rocket propulsion to fly.

AU: Asgore absorbs seven human SOULs....and rather peacefully has humans “surrender” some land for monsters to live in.

AU: Asgore absorbs seven human SOULs, and then visits the fallen humans' relatives (if any are still alive).

AU: Asgore absorbs seven human SOULs, and then goes to an ice cream parlor on the surface. His human SOULs debate which flavor of ice cream to buy.

[dandelion-undertale-prompts]

ArgentDandelion’s Undertale Prompts 107

Features primarily Undyne, Alphys, Flowey, and Papyrus.

Most timelines: A tiny monster explores the empty eye socket(s) of one character and is baffled that it's used as an inter-dimensional storage space.

AU: Papyrus inexplicably appears during the Genocide Route battle and is very disappointed with Sans.

Genocide/Neutral: Frisk internally debates about whether to kill Papyrus, because if they do, Sans will (or presumably will) repeatedly beat them up later.

Neutral/AU: The human is so guilt-ridden about killing Papyrus they give themselves up to Asgore (directly or indirectly).

AU: Alphys remotely floods Waterfall by hacking into some water locks, killing the genocidal human. (Undyne is mad she didn't get an opportunity to kill a human.)

Most timelines: It turns out wading through a marsh filled with garbage is very unhygienic...

Flowey Run: Not knowing exactly what happened to Chara's body, Flowey notices one sunny patch of soil in the Ruins is especially rich and/or “tasty”.

Most timelines: Flowey learns that bone meal, blood meal, and rotting bodies in general is a great fertilizer. (He freaks out.)

Most timelines: Flowey habitually tries to reload/reset after something goes poorly or he feels a need to “bleach his brain”.

Post-Pacifist: Flowey gets very sick/gets access to “plant drugs” that make him feel like he's dying. He panics with primal fear and tries to reload.

Most timelines: On fighting Undyne, Frisk suddenly wishes they weren't so bad at Dance Dance Revolution.

Post-Pacifist: Surprisingly, Undyne is terrible at Dance Dance Revolution.

Post-Pacifist: Alphys unexpectedly gets a high score on Dance Dance Revolution, leading to Undyne trying to fight her with Green SOUL Mode.

Most timelines: Asgore mentions having to spend a lot of time brushing all his body fur every day. Gerson laughs and is thankful he has no fur.

Most timelines: Papyrus sees a tree stump and immediately destroys it with bone attacks. He hurriedly makes an explanation.

Most timelines/Flowey Run: Flowey pranks Papyrus by pretending to be a tree stump.

AU: Everyone but Flowey acts extremely out-of-character. Flowey is baffled.

Genocide/AU: In a stroke of immense luck, Woshua kills the genocidal human. Woshua deliberates over whether absorbing a human SOUL is “clean.”

Most timelines: (Slightly dirty...arguably) Woshua is caught watching a video of two people holding hands. Woshua reacts as if it's actually “dirty”.