Chapter Summaries

Rimuru reminisced with the Ancient One about his past mischief at the Sanctum before leaving to see Wanda and Pietro. At S.H.I.E.L.D., Nick Fury struggled to accept the arrival of Thor and other mythological beings, then ordered a new threat file and prepared for future supernatural incidents.

• The Ancient One reminded Rimuru of the damage he had caused at the Sanctum, including stealing a Sling Ring and threatening the Magic Cloak.
• Rimuru backed down under the Ancient One's stare and left to speak with Wanda and Pietro.
• Coulson presented Nick Fury with evidence that Thor, his companions, and the Destroyer were real and had caused damage in New Mexico.
• Fury ordered S.H.I.E.L.D. to create the Myth Returns file, raise the response priority for related incidents, and investigate Asgard and the Bifrost.
• Fury asked Coulson to look into insurance for damage caused by gods and supernatural beings, then considered bringing Tony Stark into the effort.

Rimuru recruited Wanda and Pietro to help prank Tony Stark, and the three set off for Tony’s villa and laboratory while he was away at a S.H.I.E.L.D. meeting. They planned harmless changes to his armor, drinks, and equipment.

• Rimuru persuaded Wanda and Pietro to help him get back at Tony for mocking him and selling him to S.H.I.E.L.D.
• Wanda agreed on the condition that the pranks would not hurt anyone or cause serious trouble or damage.
• Rimuru planned to alter Tony’s armor with cute sounds, a childlike AI voice, and a pink sheen.
• Rimuru assigned Pietro to swap Tony’s drinks and Wanda to hide their actions and make Tony’s keyboards and control panels bounce.
• Wanda concealed the trio as they headed for Tony’s private villa and laboratory.

Rimuru, Wanda, and Pietro secretly rigged Tony's lab and armor with pranks to get back at him for selling Rimuru out and mocking him. Tony discovered the sabotaged drinks, controls, and pink, baby-voiced armor, while the trio watched from a rooftop and laughed as he vowed to find the culprit.

• Nick Fury told Tony that the Norse gods had really appeared in New Mexico, leaving Tony surprised by the news.
• Wanda hid the intrusion from JARVIS, Pietro replaced Tony's drinks, and Rimuru altered the armor and control devices.
• Tony returned to his lab, found his coffee and energy supplement tasted wrong, and heard JARVIS report that they were normal.
• Tony's keyboard malfunctioned, and the Mark Armor greeted him in a babyish voice before turning pink in the sunlight.
• Tony ordered JARVIS to investigate, while Rimuru, Wanda, and Pietro watched from a nearby rooftop and laughed.

Rimuru extended his magical prank across Stark Tower, leaving Tony unable to fix or stop the bizarre changes to his armor and smart devices. Tony figured out Rimuru was responsible, but Rimuru vowed to keep the pranks going until Tony apologized.

• On the rooftop, Rimuru spread hidden magic particles throughout Stark Tower while Pietro and Wanda watched.
• Tony repeatedly tested and reset his armor, but its controls glitched, its voice turned childlike, and its gold-and-red surface glowed pink.
• Rimuru activated the magic in the tower’s devices, making the laboratory equipment, displays, lighting, and JARVIS misbehave.
• Tony realized Rimuru had targeted him and angrily called out his name; Rimuru declared the pranks would continue until he apologized.
• When Tony tried to call Pepper, his phone transformed into a pink, slime-themed screen that told him not to tattle.

Tony apologized to Rimuru after the prank, and their group made peace before Steve arrived with two requests. He asked Rimuru to restore Bucky’s memories and help Peggy age more slowly, leaving Rimuru’s answer unresolved.

• Rimuru lifted the magical concealment and restored the tower’s systems after Tony admitted he was wrong and apologized.
• Rimuru accepted Tony’s apology, and they agreed to put the prank behind them and remain teammates.
• Steve Rogers arrived at the laboratory and asked Rimuru to remove Hydra’s brainwashing from Bucky and restore his memories.
• Steve also asked whether Rimuru could slow Peggy Carter’s aging so they could spend more time together.
• Tony, Wanda, and Pietro listened as Steve made his requests, and the chapter ended before Rimuru answered.

Rimuru restored Bucky Barnes's memories and freed him from Hydra's control, but he could not extend Peggy Carter's life. Just as Steve and Bucky reunited, Tony Stark arrived and attacked Bucky over his parents' deaths.

• Rimuru told Steve he could restore Bucky's memories but could not help Peggy, and Steve accepted that he would cherish their remaining time together.
• Rimuru repaired Bucky's brain, restored his memories, and returned his soul to his body.
• Bucky recognized Steve, and the two reunited after decades apart.
• Tony Stark confronted Bucky about killing his parents in 1991 and began beating him despite Steve's pleas that Bucky had been controlled.
• Steve tried to pull Tony away, but Tony ignored him and continued attacking the dazed, newly awakened Bucky.

Tony stopped beating Bucky after recognizing him as another victim of Hydra and let go of his hatred for him. Rimuru healed Bucky and gave Steve potions for Peggy, then an awkward joke about Steve’s body broke the tension.

• Tony beat Bucky while Steve pleaded with him to stop, until Tony noticed Wanda and Pietro watching.
• Tony remembered that Bucky had been brainwashed and that Wanda and Pietro had also suffered because of Hydra, then decided not to hold Bucky responsible for his parents’ deaths.
• Rimuru gave Bucky a potion that healed his injuries and gave Steve three potions to ease Peggy’s illnesses and pain.
• Rimuru asked to pat America's Ass, and Steve offered him a one-to-one model instead.
• Wanda shyly asked for a model of Steve’s upper body, Pietro threatened Steve, and Tony secretly recorded the exchange while Bucky watched with amusement.

After Steve, Tony, Wanda, and Pietro declined Rimuru’s dinner invitation, Rimuru took his hot pot plans to Kamar-Taj, where he and Wong hosted a meal that disrupted the sanctuary and drew in the mages. Wanda and Pietro had also arrived there, and the chapter ended with Kaecilius joining the gathering.

• Steve, Bucky, Tony, Wanda, and Pietro declined Rimuru’s invitation to eat Chinese food and left, though Wanda thanked Rimuru before going.
• Rimuru called Wong to arrange a hot pot gathering at Kamar-Taj and prepared a portal to the sanctuary.
• Wong and two young mages found Rimuru’s hot pot ingredients and broth waiting on tables he had set up.
• Rimuru lit the spicy broth, and its fumes spread through Kamar-Taj, interrupting the mages’ practice and meditation.
• Pietro tried to blow the spice away while Wanda watched the broth behind a Chaos Magic barrier; Rimuru and Wong discussed spatial stabilization runes as the mages joined the meal.
• Kaecilius joined the hot pot gathering without bringing his own ingredients.

After the Ancient One kicked Rimuru out for making spicy hot pot, he returned to the Helicarrier, reconsidered his deal with S.H.I.E.L.D., and invited Pepper and Tony to another hot pot meal. The dinner began at Tony’s Malibu villa, where Jazz interrupted the conversation with an unexpected report.

• The Ancient One kicked Rimuru out because she thought his spicy hot pot smelled too strong, and Rimuru decided she had been upset about not being invited.
• Rimuru returned to the Helicarrier and realized he might have made a bad trade with S.H.I.E.L.D., then considered reclaiming the Space Stone and finding the Flerken.
• Rimuru called Pepper and invited her to another hot pot meal, expecting Tony to come along with her.
• Pepper and Tony arrived at Tony’s Malibu villa, followed by Jazz, who kept his distance from the food while scanning the surroundings.
• Tony, Pepper, and Rimuru ate and discussed Stark Industries, S.H.I.E.L.D., and Cybertron fragments until Jazz interrupted them with an unexpected observation.

Rimuru learned that Peter Parker had recently developed spider powers and began investigating his situation in Queens. After identifying weaknesses in his mechanical army, Rimuru planned upgrades and considered intervening before Peter's choices led to Uncle Ben's death.

• Jazz reported that a superhuman in Queens had an unstable biological force field, and Rimuru recognized him as Peter Parker.
• Rimuru identified weaknesses in the Transformers' detection systems, EMP resistance, and armor, then proposed upgrades using Rune Runes and Quintessa's core creation technology.
• After the meal, Rimuru sent Black Dragon to locate Peter and learned that a radioactive mutant spider from Osborn Laboratory had bitten him 52 hours earlier.
• Black Dragon reported that Peter's new strength, reflexes, healing, climbing ability, and uncontrolled Spider-Sense had left him stressed and anxious.
• Rimuru learned that Uncle Ben had been laid off and Peter felt guilty about the family's financial troubles, while Rimuru recalled that Peter's desperation for money had led to Uncle Ben's death in the original timeline.

Peter Parker entered an underground fighting ring to earn money, but Rimuru showed him the consequences of ignoring a robber and helped him save Uncle Ben. Peter confessed his powers to Uncle Ben, who accepted him and agreed to keep his mutation secret.

• Peter defeated an experienced fighter in an underground match while Rimuru secretly recorded the bout.
• Rimuru confronted Peter about letting an armed robber escape, then showed him a projection of the robber shooting Uncle Ben.
• Rimuru removed the bullet and used a recovery potion to save Uncle Ben.
• Peter confessed that a spider bite had given him superhuman abilities and admitted he had ignored the robber.
• Uncle Ben reassured Peter, told him that great power came with great responsibility, and agreed to keep his secret from Aunt May.

Rimuru collected Peter Parker’s blood to study Spider-Sense and offered him a job, but Peter refused and returned to school and part-time work. Five days later, Peter told Rimuru that Norman Osborn’s secret experiments had caused violent episodes and memory loss, and Rimuru identified the enhancer’s flaw before agreeing to investigate Norman that night.

• Rimuru analyzed Peter’s blood and healed the small wound on his arm.
• Rimuru offered Peter a well-paid research assistant job at Stark Industries, but Peter refused because he wanted to earn money through his own efforts.
• Peter cut ties with the underground fighting ring, returned to school, and took a fast-food job while watching for crime in his neighborhood.
• Peter called Rimuru late Friday night to report Norman Osborn’s violent nighttime episodes, abnormal strength, and memory loss.
• Rimuru explained that Oscorp’s enhancer had split Norman into two personalities with separate memories, then agreed to meet Peter at Osborn Tower.

Rimuru and Peter confronted Norman Osborn at Oscorp, where the Green Goblin personality seized control before Rimuru could restrain him. Harry arrived and found his father transformed and facing Peter and Rimuru, leaving the three in a tense standoff.

• Rimuru and Peter entered Osborn Tower and found Norman struggling against the Green Goblin personality.
• Norman recognized Rimuru because Oscorp had received footage and records identifying him.
• Rimuru announced that he would remove the mutagenic drug and suppress the Green Goblin personality, then reached to restrain Norman.
• The Green Goblin took control, overturned a desk, and confronted Rimuru as Peter prepared to fight.
• Harry arrived at the laboratory, saw his transformed father facing Peter and Rimuru, and demanded to know what was happening.

Harry arrived at Osborn Tower and found Norman transformed into the Green Goblin, while Peter and Rimuru tried to contain him. Norman and the Green Goblin both sought to escape, but Rimuru sealed the laboratory and left the Green Goblin trapped inside.

• Harry entered the laboratory and recoiled at Norman’s monstrous appearance, while Peter tried to explain what had happened.
• Norman’s rational personality fought the Green Goblin for control, desperate to keep Harry from seeing him or being harmed.
• The Green Goblin decided to flee and charged toward the laboratory window.
• Rimuru activated a layered barrier that sealed the laboratory and blocked the Green Goblin’s escape.
• The Green Goblin crashed into the barrier and was thrown into the lab wreckage as Harry watched in shock.

Peter explained that Norman’s Green Goblin personality came from a serum and that he and Rimuru intended to save Norman by separating it. Harry misunderstood their plan as an execution and agreed to it, but Rimuru corrected him, leaving Harry embarrassed and Norman furious.

• Peter told Harry how the serum created the Green Goblin personality and explained that he and Rimuru had come to save Norman.
• Harry trusted Peter and decided Norman’s dangerous condition meant he should be killed for the public’s safety, then agreed to Rimuru’s supposed plan.
• Rimuru clarified that he intended to remove the Green Goblin personality and heal Norman rather than kill him.
• Rimuru teased Harry for seeming eager to inherit Oscorp, and Harry blushed and denied it.
• Norman overheard Harry’s agreement and Rimuru’s accusation, leaving him furious and wondering whether Peter would make a better son.

Rimuru separated and destroyed Norman Osborn’s Green Goblin personality, leaving Norman alive but gravely weakened as he recovered. He then proposed a serum-improvement partnership to Harry, who agreed to share Oscorp’s resources and split the profits.

• Rimuru warned Peter and Harry that separating Norman’s intertwined personalities would cause unbearable pain and told them to restrain him.
• Rimuru used magic to tear the Green Goblin personality from Norman’s soul while Peter and Harry held him down; Harry endured his hand being crushed and urged his father to keep fighting.
• Rimuru destroyed the extracted personality and healed Harry’s hand, but explained that Norman’s soul would need at least half a year to recover.
• Harry thanked Rimuru after seeing that Norman’s monstrous appearance had vanished.
• Rimuru proposed improving Oscorp’s enhancement serum and splitting the profits with Harry, who immediately agreed.

Rimuru and Peter helped Norman recover from the Green Goblin persona, and Norman arranged to conceal what happened while entrusting Oscorp to Harry. Rimuru and Peter left Osborn Tower, and Rimuru planned to study Peter’s danger sense and improve Norman’s serum.

• Norman woke after Rimuru separated the Green Goblin persona and asked Rimuru, Peter, and Harry to keep the incident secret.
• Norman offered Rimuru a one percent stake in Oscorp for one dollar and said he would approve their serum partnership himself.
• Norman handed Harry control of Oscorp while he recovered, and Rimuru recognized that the move would also protect Norman from the board.
• Norman’s staff covered up the incident as a laboratory accident, and his medical team took him to a private hospital.
• Rimuru and Peter left Osborn Tower, and Rimuru planned to study Peter’s danger sense and rework Norman’s serum to remove its risks.

Rimuru and Tony analyzed Oscorp's serum and developed a safer version, helping stabilize Oscorp through a partnership with Stark Industries. Harry thanked Rimuru and gave him access to Oscorp's resources, while Rimuru began thinking about the events of Iron Man 3.

• Rimuru warned Tony that Oscorp's original serum could split a person's soul and create an opposing personality.
• Tony and JARVIS compared Oscorp's serum with the Super Soldier Serum and confirmed that Oscorp's formula affected the soul as well as the body.
• Rimuru and Tony removed the components that caused personality mutations, producing a milky-white serum with enhanced physical abilities and rapid healing.
• Stark Industries and Oscorp announced a civilian-use research partnership, and Oscorp's stock rose as its board stopped opposing Norman.
• Harry told Rimuru that Norman was recovering slowly and offered him access to Oscorp's resources, while Rimuru warned him to keep the serum away from the military and black market.
• After ending the call with Harry, Rimuru thought about the original plot of Iron Man 3.

Rimuru tracked Aldrich Killian to his hidden laboratory and confronted him to seize the Extremis Virus research and stock solution. After Rimuru effortlessly stopped Killian’s test subjects, Killian broke down and revealed the resentment behind his decade-long obsession with Tony Stark.

• Rimuru used the Black Dragon System to uncover Killian’s laboratory, experiments, and stock of Extremis Virus.
• Rimuru teleported to the Maryland laboratory, silently incapacitated five guards, and entered while Killian and Maya Hansen monitored three unstable test subjects.
• Rimuru revealed himself, destroyed the emergency alarm, and demanded Killian’s Extremis research and finished stock solution.
• Killian activated the test subjects’ rampage protocol, but Rimuru neutralized their heat and killed them within seconds.
• Killian collapsed, then raged about Tony Stark’s fame, recounting the brush-off that fueled his resentment and boasting about his Extremis research.

Rimuru erased Killian’s Extremis research memories, then recognized that the virus could be repurposed for medical healing and assembled a team to develop it. The chapter ended with Tony, Banner, Harry, and Helen Cho understanding how their research could combine to repair severe injuries and illnesses.

• Rimuru took Killian’s research records and stock solution, then erased Killian’s memories of developing the Extremis Virus so he could no longer conduct dangerous research.
• Rimuru examined the virus and concluded that removing its combat-related effects could preserve its ability to regenerate limbs, repair organs, and treat serious diseases.
• Rimuru invited Tony Stark, Bruce Banner, Harry Osborn, and Dr. Helen Cho to collaborate on a safer medical treatment based on Extremis.
• Tony flirted with Helen Cho during the video call, but Rimuru threatened to tell Pepper, prompting Tony to apologize and focus on the meeting.
• Rimuru shared the Extremis data and explained his goal of combining it with Oscorp’s enhancement research and Helen Cho’s nanocells.
• Helen Cho explained that her nanocells could not repair dead nerves or shattered bones without telomere-repair technology, and the team recognized that Extremis could supply it.