Arc 1Karn Builds His Shinobi Empire

Karn used the Trading System to bring medicine, food, and business ventures to the Shinobi World, gaining Konoha’s trust while expanding his influence. As Tsunade developed a Medical Ninja program and…

Chapters 1–2525 summaries

Arc 2Karn’s Expanding Ventures

Karn built businesses across the Shinobi World, recruited allies, and became wary of Konoha’s attempts to investigate and control him. His partnership with Tsunade and Orochimaru produced promising…

Chapters 26–5125 summaries

Arc 3Karn’s Expanding Reach

Karn transformed himself and Nawaki with the Extremis Virus, then built businesses and defenses while establishing a foothold in the Wizarding World and connecting with Hermione Granger. He returned…

Chapters 52–7725 summaries

Arc 4Deals Across Worlds

Karn survived Konoha’s failed attempt to capture him and expanded his influence through trade, research, and political alliances while developing his magic and Sage Mode. The stretch ended with…

Chapters 78–10325 summaries

Arc 5Karn’s Rising Influence

Karn joined Hogwarts as a professor, destroyed Tom Riddle’s diary, and transformed into a phoenix-like Animagus. Back in Konoha, he strengthened Kushina, pursued political and business influence, and…

Chapters 104–12825 summaries

Arc 6The Serums and the Triwizard Tournament

Karn retaliated against Danzo, built a super-soldier program, and became involved in the Triwizard Tournament, where he helped defeat and capture Voldemort. He then expanded his businesses and…

Chapters 129–15325 summaries

Arc 7Orochimaru’s Rise

Karn helped Konoha defeat its enemies and built alliances while Orochimaru gathered support for the Hokage position. After a newspaper scandal exposed disputed wartime payments, the Daimyo forced an…

Chapters 154–17825 summaries

Arc 8Karn’s Expanding Empire

Karn consolidated power in Konoha, then expanded his businesses and influence across the Marvel and One Piece worlds. After seizing Sky Island’s resources and gaining Enel’s lightning ability, he…

Chapters 179–20325 summaries

Arc 9Karn Takes the Daimyo’s Seat

Karn defeated Doflamingo, expanded his power and influence across several worlds, and helped Konoha repel a coordinated attack by Kumogakure and Kirigakure. After becoming Daimyo of the Land of Fire…

Chapters 204–22825 summaries

Arc 10Karn’s Expanding Reach

Karn consolidated power across the Shinobi World and advanced his plans in the Marvel and wizarding worlds before returning to the pirate world and clashing with Boa Hancock. The arc ended with…

Chapters 229–25325 summaries

Arc 11War, Alliances, and Returns

Karn helped determine the outcome of the Marineford war, expanded his influence through the New World, and became entangled in conflicts around Pepper Potts and S.H.I.E.L.D. He returned to the Shinobi…

Chapters 254–27925 summaries

Arc 12Conquest and New Worlds

Karn helped bring Amegakure and Sunagakure under the Land of Fire’s control while the Uchiha family was torn apart by Itachi’s defection and Fugaku’s death. After returning to the Marvel Universe…

Chapters 280–30425 summaries

Arc 13The Infinity Wand and Holy Grail

Karn built his power through trade, training, and alliances, then traveled into space before entering the Holy Grail War to protect Sakura and take control of the conflict. The arc ends with Karn…

Chapters 305–33425 summaries

Arc 14The Holy Grail and New Worlds

Karn seized control of the Holy Grail War, opened a path to the Root, and merged the Kamui Dimension with Rin Tohsaka’s world. He then expanded his operations across other worlds, placing Alicia in…

Chapters 335–35925 summaries

Arc 15Worlds, Wars, and New Ventures

Karn expanded the Chamber of Commerce across several worlds, defeated Asgard’s challenge, and established a powerful operation in the Dou Qi continent. After capturing Ōtsutsuki Isshiki and…

Chapters 360–38525 summaries

Arc 16The Chamber’s Expansion

Karn expanded the Karn Chamber of Commerce across the Northwestern Continent and into the Central Plains, while Xiao Yan pursued strength after the Hall of Souls took his father. The arc left Karn…

Chapters 386–41025 summaries

Arc 17The Ancient Jade and the Androids

Karn pursued power and allies across parallel worlds while the Soul Clan gathered the Ancient Jade and prepared to find the Ancient Emperor’s Cave Dwelling. The arc ended with Hun Tiandi locating the…

Chapters 411–43625 summaries

Arc 18The Karn Chamber of Commerce

Karn defeated the Soul Clan, gathered allies, and led the Karn Chamber of Commerce from the Douqi Continent into the Great Thousand World. There, he took over the Western Heaven Temple, built a…

Chapters 437–46125 summaries