Chapter Summaries

Murder escaped Sonic.EXE through the Crystal Mine and found a giant Gold Ring. He jumped through it as Sonic.EXE closed in and the electromagnetic shield began to fail.

• Metal opened the door to the Crystal Mine, then attacked Sonic.EXE and ordered Murder to escape in the elevator.
• Murder used Gravity Manipulation to slow the elevator's fall and searched the mine for the Gold Ring Metal had mentioned.
• Murder flew into a cavern as the mine plunged into darkness, then used Shock Waves' energy cannon recoil to flee the pursuing Sonic.EXE.
• Murder crashed into a wall, passed through a checkpoint, and reached a giant Gold Ring near the exit.
• Murder jumped into the Gold Ring as Sonic.EXE approached and the electromagnetic shield threatened to break.

Murder reached the Master Emerald and reunited with Killer and Insanity. The three planned to escape the space-time using Insanity’s shortcut ability, powered by the emerald.

• Murder explored the gemstone-filled sanctuary and climbed a wall to reach the Master Emerald.
• Murder found Killer and Insanity waiting beside the emerald, and learned Killer had arrived first.
• Killer explained that the Master Emerald sealed her attempts to open a Space-Time Rift because it might let Sonic track them.
• Insanity explained that her shortcut ability let her travel through space and time, and offered to use the Master Emerald’s energy to take all three of them out of the space-time.

Insanity’s attempt to escape with Killer and Murder failed when Sonic.EXE redirected her Shortcut, leaving Murder alone to face his enormous Titan form. Murder began an all-out battle in the sky, using KR, a massive bone, and Gravity Manipulation to attack him.

• Insanity used the Super Shortcut to transport herself, Killer, and Murder, but Sonic.EXE interfered and redirected them to his location.
• Sonic.EXE appeared and attacked with a burst of light, leaving Murder floating in the air before his enormous Titan form.
• Murder attacked Sonic.EXE with ten Shock Waves, dodged the Titan’s fist, and fired countless bones that inflicted damage and triggered KR’s life-steal effect.
• Murder formed a gigantic blue bone and used Gravity Manipulation on the Titan, pushing his power to its limit.

Murder destroyed the Titan hedgehog's demon avatar with the Blue Bones and a barrage of Shock Waves. Exhausted, he fell toward the ground but was caught by someone he recognized.

• Murder used Gravity Manipulation to pull the Titan hedgehog toward him, then kicked a gigantic Blue Bone into its forehead and head.
• Murder lifted the wounded hedgehog into the sky, where the Blue Bones tore through its organs and nerves.
• Murder surrounded the hedgehog with Shock Waves and fired them in succession, destroying the avatar's limbs and lower body.
• Murder fell as the avatar's influence faded, and a figure caught him before he hit the ground.
• Murder gave the familiar voice a thumbs-up and rested.

Killer fought and defeated a spider-hedgehog on a floating platform above lava. After the enemy self-destructed, she spotted a weakened blue-gray figure falling and flew to catch them.

• Killer dodged the spider-hedgehog’s laser attacks and cut through its silk, but the webbing disabled her dagger.
• Killer revealed her bones and Shock Waves, blinded the spider-hedgehog, and blasted its lower body apart.
• Killer attacked the spider-hedgehog repeatedly without killing it, then finished it with a giant bone spike.
• The spider-hedgehog self-destructed after its defeat, but Killer avoided the blast.
• Killer saw a weakened blue-gray figure, possibly Insanity or Murder, falling and flew toward them.

Insanity fought and defeated the oversized Sonic.EXE clone in Sky City using her Shock Waves cannons. After the clone exploded, she spotted Murder and Killer falling and flew toward them.

• The oversized hedgehog grabbed Insanity, but she broke free and attacked it with bone spikes and Giant Shock Waves.
• Insanity summoned more Shock Waves cannons and struck the hedgehog after it cut off its energy beam.
• Insanity fought the hedgehog at close range, then lured it into the fully charged cannons’ bombardment.
• Insanity picked the hedgehog’s charred skull from the blast, but its explosion knocked her through the air.
• Insanity used Gravity Manipulation to recover, spotted Murder and Killer falling, and flew toward them.

Murder, Killer, and Insanity faced Sonic.EXE, who trapped Insanity in an illusion and drove the others into hiding. With their escape blocked and their options exhausted, Murder summoned ▇▇▇ for help.

• Sonic.EXE descended upon Murder, Killer, and Insanity, then trapped Insanity in a peaceful illusion with a hallucinatory shock wave.
• Killer realized Sonic.EXE was too powerful to defeat, rescued Insanity and Murder, and escaped with them from the floating island.
• Killer tried and failed to open a Space-Time Rift, so the three hid in a cave while Insanity remained trapped and Murder recovered.
• Murder summoned ▇▇▇ and asked if they could escape Sonic.EXE's blockade.
• ▇▇▇ said he had once witnessed a similar situation in another universe.

Murder used weakened Chaos Magic to fuse his soul with Killer's and Insanity's, hoping to create enough power to face the human with over 1980 LV. The world's laws warped as something that should never have existed was born.

• ▇▇▇ told Murder that Chaos Magic could fuse the three counterparts into a powerful Amalgamate, but warned that a complete fusion could turn them into a monster that only slaughtered.
• Murder explained the plan to Killer, who agreed despite the risk of losing their individual wills.
• Killer manifested Insanity's soul while Insanity remained trapped in an illusion, and offered her own soul to Murder.
• Murder joined the three souls and cast a weakened Chaos Magic spell on them.
• The Chaos Magic warped the world's laws, and an impossible being was born.

Satsujin emerged from the incomplete fusion of Murder, Killer, and Insanity with their combined abilities and overwhelming power. He headed out of the cave to confront the hunter, while Killer secretly made a save.

• Murder, Killer, and Insanity communicated within Satsujin and realized their fusion was incomplete.
• Killer explained that the hand-talking man had said their fusion would unleash tremendous power.
• Satsujin said Murder had limited his magic output, making the incomplete fusion stronger than a complete one.
• Satsujin felt his strength and shock-wave abilities had grown enormously and set out to defeat the hunter.
• Killer secretly made a save as Satsujin left the cave.

Satsujin faced Sonic.EXE after discovering the immense strength granted by the trio’s fusion. Satsujin blocked Sonic.EXE’s attacks, struck him across the battlefield, and dodged Illusion Wave.

• Satsujin stomped so hard that the ground split and a vast crater formed, surprising him and prompting Killer to tease him about destroying public property.
• Satsujin rushed Sonic.EXE at incredible speed, and Killer blocked Sonic.EXE’s powerful palm strike with her dagger.
• Satsujin hit Sonic.EXE with a hook that sent him flying several kilometers, then used Shortcut to catch up.
• Sonic.EXE recovered and fired Illusion Wave, but Satsujin dodged it.

Satsujin, Killer, and Insanity attacked Sonic.EXE while trying to end the fight before their three souls fully merged. Meanwhile, Sonic regained his will to resist inside his inner world and raced after Sonic.EXE to help the visitors defeat him.

• Satsujin dodged Sonic.EXE’s illusion waves, and Insanity explained how deeply the illusions could trap their victims.
• Killer and Insanity fired their Shock Waves at Sonic.EXE, who retreated instead of confronting the attacks.
• Satsujin realized their three souls were drawing closer together and knew they had to defeat Sonic.EXE quickly.
• Sonic saw the battle through the Master Emerald in his inner world and regained his will to resist.
• Sonic raced across the scarlet grass after Sonic.EXE, determined to help destroy the demon and protect his surviving friends.

Sonic fought Sonic.EXE within his collapsing mind while Satsujin battled the demon’s body, hoping Sonic could weaken it before the others fused with him. The chapter ended with Satsujin’s attacks failing and the fusion drawing near.

• Sonic challenged Sonic.EXE in his mind, matching the demon’s speed and strength as their souls weakened.
• Satsujin noticed the demon had become distracted and guessed it was fighting Sonic within its mind.
• Sonic.EXE taunted Sonic on a steel platform as Gold Rings fell, but Sonic struck him and pursued him.
• The voices of Murder and Insanity grew muddled as the three neared complete fusion, while Satsujin found himself unable to escape the sealed timeline.
• Satsujin continued attacking and hoped Sonic would defeat the demon before the fusion completed.

Satsujin used Resonance to create the Master Emerald’s purifying power and held Sonic.EXE in its light, allowing the demon to be cast into the flames of Sonic’s collapsing Mind World. The purification also split Murder, Killer, and Insanity apart, and Insanity confirmed the world’s restrictions had lifted again.

• Metal told Satsujin that the Master Emerald could purify Sonic.EXE, and Satsujin chose to simulate its energy through Resonance.
• Satsujin seized Sonic.EXE and engulfed them both in a pillar of purifying light, enduring the same painful effect himself.
• Sonic.EXE fell into the flames of the collapsing Mind World as Sonic escaped along its only remaining path.
• The purifying power tore Murder, Killer, and Insanity out of Satsujin and left black vapor rising from Sonic.EXE.
• Insanity found that the world’s restrictions had lifted, and Killer said Murder had succeeded in defeating the demon.

Sonic returned to normal after Killer, Murder, and Insanity saved his world, and the three left with Gold Rings. As they traveled through the spacetime corridor, Killer chose a peaceful dimension for their next stop so they could rest.

• Sonic opened his eyes and thanked the visitors from another world for saving him.
• The world returned to peace, and the animals that had died came back to life.
• Sonic invited Killer, Murder, and Insanity to stay as heroes, but they declined and left with Gold Rings.
• Killer explained that the Gold Rings were edible, and she, Murder, and Insanity tried them as they traveled.
• Killer said she had always been able to choose their destination and decided their next universe would be a peaceful route.

Murder, Killer, and Insanity talked at the Snowdin Inn, where Insanity mistook Killer for a snark-powered alien. Elsewhere, ULB, Betrayer, UKB, and Agem faced a human player after a losing battle, with Agem the only one still able to fight.

• Killer showed Murder a news story about monsters living peacefully on the surface, and Murder turned away because it made him jealous.
• Insanity offered Murder a comic, and Killer wondered how she and Murder stored so many things in their clothes.
• Insanity claimed Killer was an alien who could grow stronger through snarky comments, and Killer joked about having a cowlick before rejecting the idea.
• In the Karmatic Time Trio timeline, ULB, Betrayer, UKB, and Agem were badly injured after fighting the player.
• Agem supported the collapsing UKB and Bytrayel while the player, restored to full health, watched them like prey.

After the human overwhelmed the four Sans, ULB declared that the experiment was not over, and their souls resonated and merged. The resulting Amalgamate, Kyuuseishu, appeared as the Savior, leaving the human thrown back by the explosion.

• Betrayer asked whether they could still do anything, while Agem feared they were about to be wiped out.
• ULB announced that the experiment was not over and raised her soul, triggering a response from Betrayer, Agem, and UKB’s souls.
• The four souls resonated and converged, causing a massive explosion that hurled the human away and shattered the corridor.
• Kyuuseishu appeared as a determined Amalgamate, bearing knife wounds, glowing eyes, and golden flames that threatened the timeline’s stability.

Murder, Killer, and Insanity fused into Satsujin while falling through the Time Channel, then arrived at Kyuuseishu’s side. They joined Kyuuseishu as Hardmode returned and she prepared to destroy the human who had threatened her.

• Murder, Killer, and Insanity fell into the Time Channel after being summoned.
• Murder, Killer, and Insanity fused into Satsujin using the Power of Chaos.
• Satsujin arrived beside Kyuuseishu, who explained she had summoned Murder and Killer to help save the Multiverse.
• Kyuuseishu used her code to restore Hardmode, who had already been killed.
• Kyuuseishu asked Satsujin to help her destroy the human.

Hardmode, Satsujin, and Kyuuseishu attacked the human, whose strength was amplified by chaos and protected by the unfinished timeline. Hardmode knocked him back into their devastating Shock Waves and rejoined the others, unfazed by the risk of dying.

• Hardmode drove the human into the air with bone spikes, then grabbed him and hurled him toward Kyuuseishu and the others.
• Satsujin stabbed the human, but Killer explained that the unfinished timeline was suppressing their damage and chaos had made the human far stronger than expected.
• Satsujin and Kyuuseishu summoned Shock Waves that filled the corridor, while the human tried to reach cover.
• Hardmode teleported in front of the human and punched him back into the Shock Waves before rejoining Satsujin and Kyuuseishu.
• Hardmode dismissed the danger, saying she could be revived if she died, and Insanity remarked that she seemed crazier than before.

Kyuuseishu trapped the human in her Barrier and unleashed a barrage of bombs, bones, fire, and Shock Waves, restoring his HP before a devastating attack. Satsujin joined the assault from outside the Barrier, leaving the human caught between their combined strikes.

• Kyuuseishu created a private battle space and tested a bomb she had modified herself.
• Kyuuseishu filled the Barrier with Instant Explosion Bombs, multicolored bones, and flames while the human tried to defend himself with the True Blade.
• Kyuuseishu impaled the human with Blue Bones and let the bombs explode around him, then used Code to restore his HP to 191.
• Kyuuseishu unleashed Giant Shock Waves that shattered the Barrier as Satsujin fired sword energy at the human.
• The human raised his guard as the attacks of Kyuuseishu and Satsujin struck him in a massive surge of energy.

Hardmode, Satsujin, and Kyuuseishu attacked the human after he fused the stats of Triple Murder and Triple Causality. Kyuuseishu altered her fist’s code and struck him with overwhelming force, leaving a blazing, ruined area of the Underground.

• Hardmode used gravity to trap the human and unleashed her Super Invincible Big Windmill, but Kyuuseishu teleported her away when the human nearly slashed her.
• Satsujin rushed the human and broke his chest with a punch, sending him flying toward Kyuuseishu.
• Kyuuseishu altered her fist’s strength and hardness through UKB’s code-modifying ability.
• Kyuuseishu punched the human in the face, triggering a blinding explosion that scorched and distorted part of the Underground.