Chapter Summaries

Oir answered questions about Horrortale, Killer and Murder, and the Murderer’s gender. The chapter ended with Oir announcing that the next ASK installment would come after the Error arc.

• Oir said Horror would become like a big sister in Horrortale and that a mysterious character from Sour Apple would debut alongside her.
• Murder met a female version of himself, and they agreed to fight the humans together.
• Murder and Killer each said they had grown fond of the other, while an encounter between two Killers and two Murders ended in confusion before the four reunited.
• Oir described hypothetical battles between Killer and canon Murder, then between Killer and Perfect Slaughter Murder, who later joined her in fighting humans and villains.
• Killer woke from a nightmare about Nightmare dragging her off to work, and Oir clarified that the Murderer’s gender was based on Murder’s.
• Oir announced that the next ASK would take place after the Error arc ended.

Murder and Killer passed the time playing games in the Arcade while investigating a peaceful timeline for an unexplained error. Elsewhere, Betty escaped Gaster, but Papyrus and Sans stopped her in the city.

• Killer challenged Murder to an Arcade game, but Murder quickly mastered it and defeated her.
• Gaster attacked Betty in the Arena and urged Toriel to consider the monsters before disappearing.
• Betty fled through the city, damaging buildings as she bounded across them.
• Papyrus dropped a giant bone on Betty, and Sans joined him as they confronted her.

Killer and Murder escaped an enormous blast that destroyed the arcade, then saw Sans, Papyrus, and Gaster battling Betty in the street. Betty seized Papyrus as a hostage, but he broke free and reached Sans while Betty suffered unexplained, severe wounds.

• Killer and Murder fled outside as a huge energy blast demolished the arcade.
• Sans, Papyrus, and Gaster fought Betty, with Sans's shock waves and Papyrus's bone wall driving her across the street.
• Betty evaded Sans's attacks, but Sans and Gaster trapped her between their combined blasts.
• Betty grabbed Papyrus as a hostage and threatened him while Sans prepared to use a Shortcut.
• Papyrus suddenly escaped Betty's grasp and flew to Sans, while Betty's body became riddled with holes and she spat blood.

Killer and Murder attacked Betty, whom they believed was causing the world’s abnormalities, but Betty turned her fear into power and took control of Murder. The chapter left Killer fighting her possessed ally and warning G, P, and S about Betty’s ability.

• Killer stabbed Betty while Murder used Gravity Magic to move Papyrus toward this universe’s Sans.
• Betty turned her fear into power and unleashed it against Killer and Murder.
• Murder, controlled by Betty, attacked Killer and sent her flying.
• Killer warned G, P, and S to watch out for Betty’s ability and prepared to fight Murder seriously.

Killer fought Murder, who mistook her for a human from his own universe, and used bones and Shock Waves to overpower him. She left him pinned to the ground with a dagger at his neck, threatening him with a reset.

• Murder attacked Killer while insisting that she was human, and Killer tried to convince him otherwise.
• Killer summoned Blue Bones, but Murder shattered them and continued his assault.
• Killer and Murder exchanged dagger strikes and Shock Waves, and Killer's larger Shock Waves blasted him away.
• Killer pinned Murder to the floor with a bone and held her dagger to his neck.
• Killer threatened Murder with a reset, making him stop struggling, though she had no intention of resetting someone else's universe without permission.

Killer used a glowing ring to dispel the darkness affecting Murder, who realized he had been fighting an illusion of the human. Sans then attacked Betty with overwhelming force, intent on protecting Papyrus and Gaster despite his limited time.

• Killer took out a golden ring that dispelled darkness and gradually cleared the pink haze in Murder's eyes.
• Murder recognized Killer and realized he had mistaken her for the human while trapped in an illusion.
• Killer helped Murder up, and they went to see how the others' fight was going.
• Sans filled the sky with Shock Waves and skeletal dragon heads as he attacked Betty.
• Sans considered the limits of Betty's ability to control attacks and living beings, then focused on protecting Papyrus and Gaster before his time ran out.

Sans drove Betty back with a storm of Shock Waves, then forced Gaster out of the battle so he could unleash a final attack without endangering him or Papyrus. As Sans melted and his soul failed, he prepared to spend his remaining life destroying Betty.

• Sans increased the number of Shock Waves, forcing Betty to dodge while Gaster sent Papyrus to safety with a teleporter.
• Gaster stayed behind to help Sans, hoping they could defeat Betty and still save Sans.
• Sans used Gravity Manipulation to hurl Gaster away, leaving him free to fight without risking Gaster's life.
• Sans pinned Betty to the ground as a tornado of compressed magic formed above them.
• As his body and soul melted, Sans prepared his final strike to crush Betty.

Sans survived his devastating explosion and believed he had defeated Betty, but Betty released pink gas that engulfed the human city and incapacitated Killer and Murder. Betty's collapsed skeleton gave way to a motionless human-shaped figure of black mist, which continued emitting gas to maintain the Barrier.

• Sans descended after surviving the explosion, then saw Betty's exposed skeleton and thought he had finished her.
• Pure pink gas poured from Betty's skeleton and spread across the human city.
• Killer and Murder were caught in the gas; Murder's magic dissipated, and Killer could not open a Space-Time Rift before they both collapsed.
• Betty's skeleton collapsed, and black mist formed into a motionless human-shaped figure that kept the Barrier stable with pink gas.

Murder began another day working as a sentry while Betty pushed herself to prove she deserved to join the Royal Guard. On his way to Betty’s bar, Murder briefly questioned a name he could not remember, then joined the familiar Bettys there.

• Betty woke Murder and insisted she would catch a Betty to prove she belonged in the Royal Guard.
• Murder got up to earn money for himself and Betty, then worked his sentry shift by dozing and taking shortcuts.
• During his break, Murder started to say a name beginning with P, but could not remember anyone by that name in his memories.
• Murder took a shortcut to Betty’s bar, greeted the Bettys, and ordered a hamburger from the Betty with a flaming head.

Murder ate at Betty’s bar and began to suspect that something was wrong with the world around him. After leaving, he dodged a dark object and found that it was a charred skull.

• Murder told Betty that he kept saying a name that did not belong in this world and felt as if he did not exist there.
• Murder briefly saw Betty turn black and glare at him with blood-red eyes, then tried to dismiss the vision as a trick of his eyes.
• Murder left the bar early and decided to walk to his post.
• A dark shape hurtled toward Murder, who stopped himself from instinctively punching it and dodged instead.
• Murder picked up the skull-shaped object and noticed it smelled like charcoal.

Murder carried a charred skull that stirred an inexplicable sense of familiarity and waited outside the Ruins for Betty. Strange events followed, including a white figure who vanished before reaching him, and Murder was left alone with no explanation.

• Murder felt compelled to carry the charred skull and tucked it inside his clothes, though he could not recall why it seemed familiar.
• Murder researched the timeline and went to greet Betty outside the Ruins during his break.
• The Ruins' doors flew open and shut without anyone appearing, leading Murder to suspect someone with abilities like his was playing tricks on him.
• A pure-white girl stepped out of the Ruins and looked toward Murder, then vanished when the doors shut.
• Murder waited for a while, but nobody came.

Murder woke in a corrupted world, escaped his grotesque sister, and fought monstrous versions of familiar figures in SnowTin•èµ„ç. After destroying a demon disguised as 建信基é, he gained strange memories and noticed an unsettling change on his status panel.

• Murder heard a woman's garbled voice before a blast jolted him awake.
• Murder recoiled from his text-covered sister and fled into the Void when eyes appeared on her hand.
• Murder arrived in SnowTin•èµ„ç, where blood-red skies and flying eyeballs attacked him.
• Murder dodged a brimstone blast from the horned, demonic 建信基é and destroyed it after it transformed into bats.
• Murder gained memories of a gloomy human slaughtering everyone in his timeline and saw strange characters appear beside Sans's LV1.

Murder fought through Snowdin’s garbled monsters as his memories returned and he remembered that he was Sans, with Papyrus as his brother. After wiping out the town’s attackers, he saw his status reaching LV18 while another name began overwriting “Sans.”

• Murder fought off Snowdin’s monsters, whose attacks drained away under his bones and KR.
• As his memories recovered, Murder remembered being Sans and having Papyrus as his brother, but he could not remember Betty or his friends and family.
• Murder grew more violent as he combined close combat with magic and slaughtered the garbled monsters across Snowdin.
• Murder defeated the last approaching monster, which resembled the creature that had been beside his bed.
• Murder checked his status and saw it nearing LV18 as another name began to overwrite “Sans.”

Murder returned to a dusty Snowdin and headed for the Ruins to kill, hoping the violence would restore his memories. Error!Insanity revealed that she had manipulated his vision to help him escape the illusion and followed him to assist.

• Murder recognized the dusty Snowdin as familiar and went to the Ruins to kill.
• Error!Insanity entered the illusion from the Anti-Void and explained that she had thrown the skull to Murder unseen.
• Error!Insanity revealed that killing the illusion's apparitions could free Murder from its influence.
• Error!Insanity followed Murder, intending to help him escape the illusion.

Murder completed the slaughter route through the illusory Underground, recovering all his memories and realizing E!Insanity had been helping him. He reunited with her and learned how she and Geno became error forms in the Anti-Void.

• Murder killed the Bettys and recalled that his earlier attempts to escape had failed because he had not gained enough LV or killed Papyrus.
• E!Insanity secretly followed Murder through the Underground and kept the human Betty's soul away from him.
• Murder slaughtered his way through Waterfall, Hotland, and the Core, then defeated King Betty and recovered his memories.
• Murder realized E!Insanity had been clearing obstacles for him, and she revealed herself when he called her out.
• E!Insanity told Murder that Killer had taken her to the Anti-Void, where she befriended Geno and eventually became an error form.
• E!Insanity showed Murder her soul-controlling blood-red threads, and he returned them to her eye socket.

E!Insanity brought Murder into the Anti-Void and revealed the last living creature in Illusion, Betty. Murder defeated Betty with Shock Waves and Vampiric Bone Shards, leaving her mangled remains behind.

• E!Insanity led Murder into the Anti-Void and showed him the threads and stories filling it.
• E!Insanity pulled Betty’s soul from the threads and assigned Murder to fight her while she watched and offered backup.
• Murder struck Betty and trapped her inside Shock Waves, then ordered the bone dog to fill its mouth with acid.
• Murder finished Betty with Vampiric Bone Shards, and Shock Waves spat out her mangled remains.

Murder escaped the collapsing illusion and woke in a city where a dark creature drained magic and life from its victims. He chose not to attack it and instead joined his soul to Killer’s, leaving their fate uncertain.

• Murder watched the illusion’s world collapse into a black hole, then returned to his body.
• Murder found Killer unconscious and discovered that pink vessels connected the city’s inhabitants to a dark creature.
• Murder held back from attacking the creature because he feared he could not defeat it alone and worried about Killer.
• Murder brought his soul close to Killer’s, and a brilliant golden light bound their souls together.

Murder woke in a prison-cell illusion and tested which of his abilities still worked, finding that Shortcut was blocked while his other powers remained usable. After blasting through a wall into an endless darkness, he agreed to look for supplies and then rescue Killer, who was trapped in the neighboring cell.

• Murder woke in a prison cell and spoke with Killer, who believed she was named Snas and could not remember either of their names.
• Murder tried Shortcut and found that the illusion prevented him from using it.
• Murder tested his other abilities, lifting books with gravity and blasting holes in the cell wall with bones and Shock Waves.
• Murder found only endless darkness beyond the destroyed wall, and bones vanished when he fired them into it.
• Killer asked Murder to take her along in his escape, and he agreed to look for useful supplies before rescuing her.

Murder searched his cell for clues and found a wooden token and a coin hidden in unlikely places. After opening the cell door, he stepped into a darkened area where only the space around him remained visible.

• Murder searched beneath and inside the stone bed but found nothing.
• Murder found a wooden-covered book and took out a token marked "Solve."
• Murder used gravity to pull a coin from the toilet, then washed it and pocketed it.
• Murder opened the cell door and stepped outside, where the surrounding area turned dark and gloomy.

Murder found Killer imprisoned in a cell and freed her, then set out with her to find a way out of the Illusion. Meanwhile, E!Geno and E!Insanity fought Error to prevent him from destroying the AU where Murder and the others were trapped.

• Murder used Anti-Agar to liquefy the bars on Killer’s cell and entered.
• Murder found Killer bound by special metal cables and used the wooden Release plaque to break them.
• Killer celebrated her freedom, but Murder stopped her and said they should look for a way out together.
• E!Geno and E!Insanity attacked Error, who accused them of preventing him from destroying the chaotic Multiverse.
• E!Insanity recalled that Geno had warned her Error might overwhelm her, and she focused on helping Geno hold him off.