Chapter Summaries

Karn injected Kushina with the perfected Extremis Virus Serum, granting her Hashirama-cell abilities and strengthening her control of the Nine-Tails' chakra. In the Land of Tea, Kushina entered Nine-Tails Chakra Mode for the first time, surprising Karn with how quickly her power had grown.

• Karn offered Kushina the Extremis Virus Serum to help her become stronger, and she agreed to receive it.
• Karn tested Kushina's blood and tissue, then returned to inject her with the serum while they fortified the room with protective barriers and sealing jutsu.
• As Kushina assimilated the serum, the Nine-Tails sensed that her Adamantine Sealing Chains had strengthened and begun absorbing his chakra.
• Kushina recovered, ate, and told Karn that her strength and control over the Nine-Tails' chakra had greatly increased.
• Karn took Kushina to the Land of Tea, where she stopped the chains from draining the Nine-Tails and drew on her stored tailed-beast chakra.
• Kushina formed a golden chakra cloak and entered Nine-Tails Chakra Mode, leaving Karn astonished at her sudden leap in power.

Kushina tested her new Nine-Tails Chakra Mode in a spar with Karn, who caught her after she injured herself and watched the Extremis Virus heal her. Meanwhile, Jiraiya reported that Kirigakure’s raids targeted shipping tied to Karn’s Chamber of Commerce, and Hiruzen began arranging a team for Minato as the war widened.

• Kushina sparred with Karn in Nine-Tails Chakra Mode, using her speed and Adamantine Sealing Chains while he attacked with spells and the Flight Charm.
• Kushina snapped both ankles while charging Karn, but he caught her and the Extremis Virus healed her injuries within seconds.
• Karn told Kushina she needed more practice, and she left happily without answering who had won their wager.
• Jiraiya told Hiruzen, Danzo, Mitokado Homura, and Utatane Koharu that Kirigakure’s attacks on the Land of Lightning focused on ports, ships, and merchants, with Karn’s Chamber of Commerce prominent in the Land of Hot Water.
• Hiruzen rejected Danzo’s attempt to involve Root and told Jiraiya to stay in the village, explaining that he planned to team Minato with the Ino-Shika-Cho trio and wanted Jiraiya to watch over him.

Karn returned to Konoha and planned how to expand his influence while considering Hatake Sakumo’s worsening situation. Rin Nohara asked him to help Kakashi, and he brought her to visit Sakumo, finding him in a deeply dispirited state.

• Hiruzen Sarutobi reviewed reports on Konoha’s targets and Hatake Sakumo’s public condemnation, then considered sending Tsunade to the front lines and restraining Danzo.
• Karn used Apparition to return to Konoha and considered his plans for Shennong, his media network, and finding a place for Hatake Sakumo.
• Rin Nohara visited Karn to ask him to protect Kakashi Hatake from the fallout surrounding his father, and Karn agreed to address the matter.
• Karn allowed Rin Nohara to accompany him to the Hatake residence, where they entered after receiving no answer at the door.
• Karn found Hatake Sakumo sitting in the reception room, saw how broken he seemed, and asked why Konoha’s White Fang had fallen so low.

Karn offered Hatake Sakumo a way out of his despair by becoming a Guardian Ninja, and Sakumo agreed to consider it. Meanwhile, Kushina demonstrated her new Nine-Tails Chakra Mode to Tsunade and Nawaki, revealing that Karn's Extremis Virus Serum had accelerated her growth.

• Karn told Hatake Sakumo that becoming a Guardian Ninja could protect Kakashi and give Sakumo a future outside Konoha, and Sakumo said he would seriously consider it.
• After leaving the Hatake residence, Karn warned Rin Nohara that Sakumo might kill himself if the plan failed, then turned his attention to locating the Sky Ninja ruins.
• Kushina brought Tsunade and Nawaki to a training ground and used Nine-Tails Chakra Mode and her Adamantine Sealing Chains to narrowly defeat Nawaki.
• Kushina told Tsunade that Karn had given her an injection, and she demonstrated how her wounds healed as she explained that her chains could draw chakra from the Nine-Tails.
• Tsunade recognized the treatment as Extremis Virus Serum and privately asked Kushina whether she had received it in exchange for intimacy with Karn; Kushina denied it, though she blushed and wondered about the possibility.

Karn used a magical contract to bind Tsunade to repay him for potions she borrowed, while Konoha prepared for a new battlefield deployment. He helped Hatake Sakumo secure a transfer to the Guardian Ninja and arranged for him to train Kushina before he left.

• Tsunade borrowed Karn’s healing, blood-replenishing, and beautification potions, signed an IOU, and rushed to Konoha Hospital; Karn enchanted the parchment with a magical contract.
• After learning that Kushina could use Nine-Tails Chakra Mode, Hiruzen Sarutobi moved Root’s sealing personnel and began planning reinforcements for the Land of Grass, including Jiraiya and Hatake Sakumo.
• Hatake Sakumo asked Hiruzen Sarutobi to let him become a Guardian Ninja, and Karn presented a letter from the Daimyo offering doubled war support in exchange for Sakumo’s transfer.
• Hiruzen Sarutobi approved Sakumo’s request, and Sakumo thanked Karn for helping him leave Konoha’s battlefield duties.
• Karn asked Sakumo to teach Kushina how to fight stronger opponents, and Sakumo agreed to meet her at the training ground behind the Senju Clan Compound.

Kushina improved her swordsmanship under Hatake Sakumo and received Karn’s guidance on winning the Nine-Tails’ trust as the Child of Prophecy. Meanwhile, Karn learned that Danzo and the Third Raikage were plotting an attack in the Land of Waves, so he went there to prepare for them.

• Kushina trained with Hatake Sakumo for four days, learned from his White Fang Swordsmanship, and improved before he left.
• Karn told Kushina to change the Nine-Tails’ sealed environment, call him Kurama, and reveal that she was the Child of Prophecy; Kushina agreed to try.
• Shennong reported that he had isolated some substances in the Super Soldier Serum, and Karn arranged for Tsunade to analyze them.
• Yakushi Nonō told Karn that a Root ninja had overheard plans to go to the Land of Waves and bring the Cloud Ninja into the operation.
• Karn suspected Danzo and the Cloud Ninja were targeting his pharmaceutical factory and went to the Land of Waves with TNT and RPG rounds to prepare.
• Danzo and the Third Raikage exchanged intelligence and agreed to move against Karn in the Land of Waves.

The Third Raikage and Danzo's forces raided Karn's pharmaceutical factory, but Karn's shadow clone and explosive trap devastated them. Karn confronted the injured survivors, the Third Raikage escaped after a fierce clash, and Danzo's plan to capture Karn failed.

• The Third Raikage assigned Adam to seize the factory's medicine, equipment, and documents while Danzo secretly planned to capture Karn for the Extremis Virus.
• Dan Katō's Spirit Transformation Technique struck Karn's shadow clone, and the factory exploded, severely injuring Danzo's Root forces and the Third Raikage's men.
• Karn flew to the ruined factory and taunted Danzo, who ordered his forces to retreat.
• The Third Raikage burst from the ruins and struck Karn, while Danzo's subordinates restrained Karn with their clan techniques.
• Karn's rockets prevented the Third Raikage from reaching him, killed the Nara Clan ninja and a Yamanaka Clan ninja, and forced the Third Raikage to flee.

Karn recovered from the battle in the Land of Waves, seized Kumogakure’s Six Paths Tools, and arranged to infiltrate Root. Danzo returned to Konoha disgraced, but an explosion beneath the Shimura Clan’s compound left the Root Base collapsed and its casualties unknown.

• Karn extinguished the pharmaceutical factory fire, ordered it rebuilt, and decided to retaliate against Danzo.
• Construction workers uncovered five Six Paths Tools, which Karn collected before returning to Konoha.
• Karn asked Yakushi Nonō to arrange for a Root recruit to film the base’s layout, then fell asleep while she gave him a medical massage.
• Danzo lamented his losses and vowed to become Hokage after Hiruzen Sarutobi reprimanded him for crippling Dan Katō.
• An explosion collapsed the underground area beneath the Shimura Clan, and an ANBU reported that the Root Base was likely buried in the wreckage.

Tsunade investigated the explosion that devastated the Shimura Clan compound, then gave Karn her analysis of the Super Soldier Serum. Karn gained a breakthrough in his research, gifted Kushina the Bashosen, and left her flustered after teasing her.

• Tsunade heard about the Shimura Clan compound collapse and left Konoha Hospital to question Karn, suspecting he was involved.
• Karn welcomed Tsunade while Kushina was feeding him, and Tsunade questioned Kushina about his whereabouts during the explosion.
• Tsunade gave Karn her categorized research on the serum, and Karn handed her four bottles of two potions in return.
• Karn told Kushina the serum could make people stronger and gave her the Bashosen, explaining how to use the Six Paths Tool.
• Karn reminded Kushina that she owed him a request, but she misunderstood his teasing, then hurried away with the Bashosen scroll.

After a devastating explosion at Root, Hiruzen struggled to identify the culprit as urgent intelligence from the Land of Hot Water signaled a new conflict with the Cloud Ninja. In the Marvel Universe, Karn returned with Super Soldier Serum data, began arranging its replication, and received an invitation to a presidential banquet tied to a super-soldier squad’s battlefield deployment.

• An ANBU report told Hiruzen that seventy-three members of the Shimura Clan had died in the explosion, while Danzo and twelve others survived; Tsunade said Karn could not have been responsible because Kushina had stayed with him.
• Tsunade confronted Hiruzen over Danzo’s authority, Sakumo’s departure, and the explosion, but an urgent message from the Land of Hot Water prompted Hiruzen to call a jonin meeting.
• Karn returned to the Marvel Universe with Super Soldier Serum data and other gains, then ordered his shadow clone to check the news and examined the basilisk’s memories.
• Karn told Les to restart the serum project using the data, met the new researchers, and took Little Green and the research materials away from the Biological Research Center.
• General Ross invited Karn to a presidential banquet celebrating the super-soldier squad’s successful deployment, and Karn said he would contact Betty about attending.

Karn learned that Wall Street figures were interested in his pharmaceutical company and that Thaddeus Ross had ordered an unexpected batch of Extremis Virus Serum after heavy losses among his super soldiers. Betty returned to Washington with news of her father’s fear, while Karn prepared to investigate the people scheming around him and considered using a Super Soldier Serum deal to expand his influence.

• Carl warned Karn that Wall Street figures linked to Oscorp’s breakup were interested in pharmaceutical companies and might be targeting him.
• Karn contacted Betty, who said she would return the next day and might know more about the military’s hidden dealings.
• Karn met Betty at Washington International Airport and sent her Umbrella-trained bodyguards back to New York.
• Betty told Karn that Thaddeus Ross had unexpectedly ordered more Extremis Virus Serum because he was scared after heavy losses among his super soldiers.
• Karn suspected S.H.I.E.L.D. or Hydra might be behind the losses and planned to investigate the conspirators directly.
• Karn considered offering Thaddeus Ross the Super Soldier Serum and using military support to take over Oscorp.

At the president’s banquet, Karn confronted General Ross about the military’s heavy losses in the Middle East and demanded better terms for their partnership, revealing that he had made progress on the original Super Soldier Serum. The chapter ended with Senator Stern, a Hydra member, approaching Karn to propose business connections, leaving Karn interested in what Hydra might offer.

• Carl asked Karn whether Betty was his girlfriend, and Karn avoided explaining that he had stolen her from someone else.
• Karn warned General Ross that he knew the military had ordered more Extremis Virus Serum after suffering heavy losses in the Middle East.
• Karn told Ross that he had made progress on reproducing Captain America’s Super Soldier Serum and said they needed to renegotiate their benefits.
• Ross agreed to visit Karn at his hotel after the banquet to discuss their cooperation.
• Betty introduced Karn to Senator Stern, whom Karn recognized as a Hydra member, and Stern offered to connect Karn with business partners.

Karn secured Senator Stern’s cooperation and oversaw the successful first human trial of his Super Soldier Serum. The chapter ended with Roff becoming the first super soldier under Karn’s command.

• Betty questioned Karn’s decision to cooperate with Senator Stern, but Karn said Stern could provide access to valuable resources, and they finalized deals involving Oscorp and Karn’s biopharmaceutical company.
• After returning to New York, Betty pursued Oscorp’s acquisition while Karn planned to take over the company with Thaddeus Ross once the Super Soldier Serum was ready.
• Bruce Banner’s team failed to stabilize the Gamma Bomb, so Bruce stayed behind to try a new approach in the laboratory.
• Les told Karn that his team had replicated the Super Soldier Serum, and Karn approved human trials with retired soldiers Roff and Carrow.
• Karn started the serum trial on Roff, whose physical readings tripled as the injection succeeded, making him Karn’s first super soldier.

Karn demonstrated the Super Soldier Serum to Thaddeus Ross and negotiated Ross’s support for acquiring Oscorp in exchange for future super soldiers. Ross then showed Karn a recording of Hulk, but Karn refused to help capture him, warning that Hulk was too dangerous to contain.

• Roff completed the serum tests with extraordinary strength and endurance, and Karn arranged for Carrow to receive the serum as well.
• Karn decided to give the serum only to people bearing a Chakra Cursed Seal, which he believed would make them loyal super soldiers.
• Karn and Betty met Thaddeus Ross, and Karn showed him Roff and Carrow as proof that the Super Soldier Serum worked.
• Karn offered Ross a super-soldier partnership in exchange for help acquiring Oscorp, and Ross agreed to expedite the matter.
• Ross showed Karn footage of Hulk escaping a military squad, and Karn identified him as Bruce Banner and warned Ross not to try capturing him.

Karn consolidated his new company, assigned allies to key roles, and prepared to recruit Wanda and Quicksilver while planning his next world trip. In the Wizarding World, he reviewed Kettle’s growing business, addressed the Delacour Family’s suspected contract violations, and learned Hermione was using large amounts of Invigoration Draught.

• Karn renamed Oscorp the Pent Group, put Betty and Laura in charge of different responsibilities, and refused General Ross’s request to research Hulk.
• Karn sent Jayne and Umbrella members to Sokovia to find Wanda and Quicksilver, and planned to enhance more of his people with serums and magical creature genes.
• Karn visited Kettle’s expanding potions ingredients shop and learned that it had opened branches in France and Germany and signed eleven exclusive supply contracts.
• Kettle told Karn that the Delacour Family might be reselling ingredients in breach of contract, and Karn instructed him to gather proof before setting a trap.
• Kettle reported that Hermione had requested many ingredients for Invigoration Draught, and Karn suspected she might be using a Time-Turner.

Karn searched for alchemical items, reunited with Hermione, and received Nicolas Flamel’s alchemy notes from Dumbledore. Dumbledore also asked Karn to return to Hogwarts as Defence Against the Dark Arts professor for the Triwizard Tournament, and Karn agreed.

• Karn asked Borgin and Burkes to find genuine curse-defending and other alchemical items, then bought a book that recorded the Imperius Curse and an item that cursed souls.
• Hermione returned home after Hogwarts term ended and told Karn about the events at school, including Peter Pettigrew’s capture and Sirius’s case.
• Hermione invited Karn to the Quidditch World Cup, and he agreed to arrange tickets for her and her friends.
• Karn took Hermione to Romania, where she rode a dragon, and he hatched his hybrid dragon and prepared a magically expanded pocket to keep it.
• Dumbledore gave Karn worn alchemy books left by Nicolas Flamel and asked him to return to Hogwarts to teach Defence Against the Dark Arts during the Triwizard Tournament.
• Karn agreed to return to Hogwarts and called Hermione into the room as she waited outside with tea and refreshments.

At the Quidditch World Cup, Karn met with Ministry allies and watched Bulgaria defeat Ireland before Death Eaters attacked the VIP area. Karn defeated the attackers, while Hermione joined the fight, and the two were left assessing the aftermath.

• Karn brought Hermione to Devon and welcomed the Weasley family, Harry Potter, and Amos Diggory to his VIP quarters.
• Karn discussed opposing Fudge with Luwen Amoto and urged Arthur Weasley to help replace him as Minister.
• Karn humiliated Lucius Malfoy on the way to the match, where Bulgaria beat Ireland by more than a hundred points.
• After the match, Death Eaters attacked the camp and targeted Karn, who had blocked Apparition in the area.
• Karn repelled the Death Eaters and knocked them down, while Hermione said she had taken care of one attacker.
• Hermione checked Karn for injuries, and Karn told her not to take such risks again.

After Karn helped capture the Death Eaters who attacked the Quidditch Match, he experimented with alchemy and crafted defensive necklaces for Hermione. On the first day of term, he spoke with Dumbledore about the Ministry’s refusal to question the captured Death Eaters and warned that he would show them no mercy next time.

• Karn deterred the Aurors until Luwen Amoto identified him, then let them take the captured Death Eaters while Xenophilius Lovegood photographed the scene.
• Karn returned to the campsite with Hermione, where Phil and Isaac stopped blaming themselves after Karn told them to pack up.
• Karn used Shadow Clone Technique to help craft a defensive necklace, tested it on Hermione, and later made her a stronger necklace from Mithril, Adamantine, Unicorn Tail Hair, Phoenix Feather, and a green gemstone.
• Karn gave Hermione the finished necklace on the day Hogwarts started and sent her to the Hogwarts Express before going to the school himself.
• Dumbledore told Karn that Cornelius and other Pure-blood families opposed using Veritaserum on the captured Death Eaters, and Karn warned that he would not show them mercy again.

Karn studied the Sorting Hat and investigated Harry’s unexpected selection as a fourth Triwizard champion, while Fleur Delacour approached him about her family. After Harry told Karn about recurring nightmares involving Voldemort and Death Eaters, Hermione saw Fleur heading toward Karn’s office late at night.

• Dumbledore announced Hogwarts would host the Triwizard Tournament, and Karn borrowed the Sorting Hat to study its runes.
• Karn let a black cat stay in his office, studied the Sorting Hat’s runes, and learned that Fleur wanted to speak with him about the Delacour Family.
• The Goblet of Fire selected Fleur Delacour, Viktor Krum, Cedric Diggory, and then Harry Potter as a fourth champion.
• Hermione brought Harry and Ron to Karn, who explained that Harry had been entered by someone else and advised him to learn Occlumency after hearing about his nightmares.
• On their way back, Harry and Ron saw Fleur near Karn’s office, and Hermione hurried after her.

Fleur Delacour visited Karn to plead for her family, but he refused to waive the compensation owed under their contract. With the Delacour family facing a final deadline, Fleur copied a Love Potion recipe from a restricted book, hoping to use it to resolve the crisis.

• Fleur visited Karn’s office and asked him to spare the Delacour family from its compensation, but Karn refused and urged her to sell the family’s treasures.
• Karn sent Fleur away, then resumed work on an earring designed to defend against attacks on the soul while the black cat slept nearby.
• Karn’s shadow clone tested a Revealing Charm on Moody, confirmed he was the real Mad-Eye, and Karn apologized; Moody accepted and agreed to watch for suspicious people at Hogwarts.
• Hogwarts remained peaceful as students prepared for the First Task, while Hermione stayed busy and students avoided provoking her because of her connection to Karn.
• Fleur found a Love Potion recipe in Moste Potente Potions, copied the ingredients, brewing method, and antidote, and left the Restricted Section with her plan to bewitch Karn.