Arc 1The Wind Sword Knight

Arthur and Nami traveled from the East Blue to Alabasta, where Arthur defeated Crocodile and drew the attention of the wider world. With Robin joining them, they reached Sky Island, where Arthur killed Enel and chose to continue pursuing his Achievement Quest with Nami and Robin.

Chapters 1–2525 summaries

Arc 2Sabaody and Marineford

Arthur built the Don Stallion, fought the Supernovas and Kizaru at Sabaody, and joined the Marines as a Shichibukai for the war at Marineford. He defeated Jozu with Excalibur, leaving the enraged Whitebeard to confront him.

Chapters 26–5025 summaries

Arc 3The King of Knights

Arthur fought in the Paramount War, gained a reputation as the King of Knights, and explored Fish-Man Island with Nami and Robin. After defeating Blackbeard’s crew and spending a month at Gran Tesoro, Arthur drew a five-billion-Beli bounty and encountered Kaido at sea.

Chapters 51–7525 summaries

Arc 4The Unbeatable King

Arthur defeated Kaido, Mihawk, Doflamingo, and Jack while drawing Hancock into his crew and forging alliances with Doflamingo. As the Emperors’ War reshaped the world, Arthur strengthened his swordsmanship and prepared to face Golden Lion Shiki as part of his plan to make the world believe he was unbeatable.

Chapters 76–10025 summaries

Arc 5The Strongest in Single Combat

Arthur defeated Shiki, Kuzan, Katakuri, Big Mom, and finally Kaido, using each victory to build his strength and reputation. After Kaido’s death sparked a scramble for his territory, Doflamingo rejected Whitebeard’s offer and remained allied with Arthur.

Chapters 101–12525 summaries

Arc 6The Strongest Man and Four Kings

Arthur defeated Whitebeard at Decalvan, inherited the title of World's Strongest Man, and awakened Avalon before entering the Fourth Holy Grail War as Lancer. In Fuyuki, he clashed with Saber and Gilgamesh, then joined the four kings’ banquet as their debate over the Grail began.

Chapters 126–15025 summaries

Arc 7The God Slayer’s Challenge

Arthur ended the Fourth Holy Grail War, brought Saber to Avalon, and entered a world where he could fight Heretic Gods. After defeating Perseus, Melqart, and Verethragna, he gained new Authorities and powers, while Erica and Saber began disputing who should serve as his knight.

Chapters 151–17525 summaries

Arc 8Arthur’s Kuoh Awakening

Arthur defeated several powerful gods, gained new Authorities, and entered the world of High School DxD, where he trained Koneko and Akeno while taking the Boosted Gear from Issei. The arc left Arthur living with Koneko in Kuoh and reflecting on how much his strength had grown.

Chapters 176–20025 summaries

Arc 9The Counter Force

Arthur defeated Kokabiel and Vali, then became entangled in the three factions’ efforts to preserve peace. Recognized as a genuine King Arthur from another world, he accepted the role of Counter Force and prepared to witness the peace treaty as the leaders gathered at Kuoh Academy.

Chapters 201–22525 summaries

Arc 10From Kuoh to No-Name

Arthur stopped the Khaos Brigade’s attack on Kuoh, reunited Koneko Toujou with Kuroka Toujou, and defeated Cao Cao before his new power carried him to Little Garden. There, Arthur joined Black Rabbit’s group and saw the ruins of No-Name’s headquarters, while keeping his true abilities concealed.

Chapters 226–25025 summaries