Chapter Summaries

Arthur learned that Rias’s brother Sirzechs had come to tell her that the three factions planned to meet at Kuoh Academy and establish a peace agreement. Sirzechs also teased the pair about marriage, while Arthur suspected he had another reason for visiting.

• Arthur noticed that Koneko Toujou’s earlier high temperature might have signaled the approach of her Nekoshou heat, then spent the night with her as she embraced her pet role.
• Arthur worked on condensing mythology notes at home when Rias unexpectedly returned from school early to tell him someone was coming to see him.
• Sirzechs arrived at the villa and joked that Arthur and Rias looked like a married couple before saying he had business with Arthur.
• Sirzechs revealed that God had died and that the three factions planned to hold a meeting at Kuoh Academy to formalize a peace agreement after Kokabiel disrupted their truce.
• Sirzechs asked when Arthur intended to marry Rias, but Arthur ignored the question and asked whether there was more to his visit.

Vali confronted Arthur after learning that another man claimed to be the true descendant of heroes, and Arthur revealed that he was King Arthur from another world. Vali and the two Heavenly Dragons accepted his explanation, while Arthur concealed how he had crossed worlds.

• Sirzechs warned Arthur that more people might come looking for him, then left as Rias struggled to respond to his remark.
• Rias prepared Kuoh Town for the coming talks between the three great factions by arranging time off for the students, while Arthur spent his free days relaxing.
• Arthur created cool, cloudy weather and wandered around before finding Vali waiting for him near his villa.
• Vali asked Arthur who he really was and questioned how he possessed the Holy Sword Excalibur, which should have been shattered.
• Arthur explained that he came from another world, and Vali, Albion, and Ddraig recognized him as a genuine King Arthur rather than a fake.
• Arthur admitted that his Sacred Gears came from his world and claimed he had cut through the world to reach theirs, keeping his system secret.

Arthur met Vali and asked him to arrange a meeting with Cao Cao if he joined the Khaos Brigade. Azazel then visited Arthur to discuss making him and Vali a force for maintaining peace among the three factions, but Arthur refused and remained silent when Azazel proposed asking him alone.

• Vali told Arthur that Azazel wanted him and Vali to serve as a counter force for peace among the three factions, and warned that Azazel might approach him.
• Arthur asked Vali to arrange a meeting with Cao Cao if Vali joined the Khaos Brigade; Vali agreed and said Cao Cao wanted to confront Arthur over the name Arthur Pendragon.
• Azazel appeared at Arthur’s villa, introduced himself, and followed Arthur inside after Arthur tacitly allowed him in.
• Azazel examined Arthur’s Holy Sword Excalibur and confirmed that it was genuine.
• Arthur rejected Azazel’s proposal for him and Vali to maintain peace among the factions.
• Azazel proposed making Arthur a counter force on his own, but Arthur remained silent as Azazel wondered whether Sirzechs had pushed the problem onto him.

Arthur accepted the role of Counter Force among the three factions and received an Artificial Sacred Gear from Azazel that stored and retrieved mythological information. Akeno brought Arthur to the shrine, where he met Michael, the leader of the angels, and they began speaking in the reception hall.

• Arthur recognized the factions’ scheme and agreed to become their Counter Force.
• Azazel gave Arthur a bracelet containing an Artificial Sacred Gear that stored mythological texts and could extract information from books.
• Arthur tested the bracelet and absorbed the contents of a notebook into its repository.
• Akeno returned home, invited Arthur to the shrine, and told him someone had come to see him.
• Arthur and Akeno met Michael at the shrine, then sat with him in the reception hall to talk.

Arthur agreed to serve as a witness for the peace treaty between the three factions after Michael recognized him as the King Arthur from another world. Michael gave Arthur the holy dragon-slaying sword Ascalon, and Akeno Himejima became Arthur’s first woman; later, the faction leaders gathered at Kuoh Academy to begin their talks.

• Michael asked Arthur to witness the three factions’ peace treaty and explained that he had identified Arthur as King Arthur from another world.
• Arthur accepted the role, and Michael gave him Ascalon before leaving.
• Arthur assimilated Ascalon into the Red Dragon Emperor’s gauntlet with Ddraig’s help.
• Akeno Himejima asked to be Arthur’s first woman, and Arthur agreed; afterward, she teased him about whether she was his official wife or mistress.
• During the following days, Akeno Himejima repeatedly found opportunities to be with Arthur while Kuoh Academy was on holiday.
• Sirzechs Lucifer, Azazel, and Michael assembled at Kuoh Academy for peace talks as Rias watched and Arthur sat with Vali.

Arthur and the leaders of the three factions prepared to formalize a Peace Treaty when an attack erupted at Kuoh Academy. Akeno and Arthur countered the attackers, but the assault continued as the chapter ended with the leaders unsure who their enemies were targeting.

• Vali warned Arthur that a group planned to attack Kuoh Academy to seize the Sacred Gear of one of Rias Gremory's sealed servants.
• Azazel proposed that Arthur witness the three factions' Peace Treaty, and Michael and Sirzechs agreed before an explosion interrupted the meeting.
• Black-robed magicians attacked Akeno Himejima and Koneko Toujou, while a time-stop effect froze Aisa; Akeno freed herself and Koneko and sent Aisa toward Arthur.
• Akeno invoked her Thunder Authority and hurried to check on Gasper as the attackers launched a powerful beam at Sona Sitri and her servants.
• Arthur destroyed the beam before it could hit Sona, while Azazel, Sirzechs, and Michael admitted they did not recognize the attackers or know whom they targeted.

Arthur revealed that he was the real Arthur Pendragon from another world after instantly annihilating the magicians who invaded Kuoh Academy. Arthur Pendragon recognized his Excalibur and knelt before him as his ancestor.

• Arthur Pendragon arrived with Vali and Katerea Leviathan, while Rias questioned who the real Arthur Pendragon was.
• Arthur used the Authority of Thunder to destroy the invading magicians in an instant.
• Katerea claimed she would fight Arthur, but Arthur Pendragon insisted that Arthur was his opponent.
• Arthur introduced himself as Arthur Pendragon from another world and showed the genuine Excalibur.
• Arthur Pendragon confirmed Excalibur's authenticity, then knelt and paid respects to his ancestor.

Arthur defeated Katerea Leviathan and the Peace Treaty was signed despite the disruption. On his way back, he met Kuroka Toujou, who tested his intentions toward her younger sister Shirone but declined his invitation to join him.

• Arthur Pendragon recognized Arthur as his ancestor, confirmed he was with the Khaos Brigade, and bowed to him.
• Arthur used Excalibur to annihilate Katerea Leviathan, breaking the teleportation circle and restoring Kuoh Academy to normal.
• Bikou arrived to take Vali and Arthur Pendragon away, while Arthur Pendragon promised to tell his family about Arthur.
• The leaders of the three factions signed the Peace Treaty, and Arthur returned to the villa alone.
• Kuroka Toujou approached Arthur, revealed she was Shirone's older sister, and declined his invitation to meet Shirone or come with him.
• Kuroka Toujou teased Arthur about his relationship with Shirone, and Arthur struck her forehead with a hand chop.

Arthur met Kuroka Toujou and showed her the power of his Victory's Golden World, then decided to help her reconcile with Koneko Toujou. That night, Koneko told Arthur what she knew of her sister's past, and his resolve strengthened as a silver-haired maid appeared before Rias.

• Arthur met Kuroka Toujou, who tested him by pretending to threaten him, and he revealed his overwhelming power by creating Victory's Golden World.
• Kuroka Toujou declined to see Koneko, and Arthur decided to help the sisters reunite and reconcile.
• Arthur asked Koneko about her older sister, and she explained that Kuroka had killed her master and become a Stray Devil before Lord Lucifer protected her.
• Arthur comforted Koneko as she became upset while recalling her sister, and he resolved more firmly to bring the sisters together.
• A red magic circle appeared in Rias's room, and a silver-haired woman in a maid outfit appeared before her.

Rias invited Arthur to the Underworld, and he agreed to visit the Demon World with her group. On the journey, Koneko Toujou led him to her room to bathe, then hinted that she had learned a new skill.

• Rias told Arthur that her family wanted to invite him to the Underworld, and he accepted the invitation.
• Rias led Arthur, Akeno Himejima, Koneko Toujou, and Aisa onto a hidden train traveling from the human world to the Gremory territory.
• Arthur and Koneko Toujou chose her room on the train and went to bathe together.
• Koneko Toujou told Arthur that she had recently learned a new skill.

Arthur arrived at the Gremory Ducal House with Rias, Akeno Himejima, Koneko Toujou, and Aisa, where Rias’s parents arranged for him and Rias to share a room. Rias confessed her love and became intimate with Arthur, leaving them together the next morning.

• Arthur and Koneko Toujou woke to Aisa’s knock, then joined Rias and Akeno Himejima as their train entered Gremory territory.
• Grayfia Lucifuge welcomed Arthur and the others to the Gremory Ducal House and escorted them inside.
• Zeoticus Gremory and his wife eagerly pressed Arthur about marrying Rias and arranged for them to sleep in the same room.
• Rias embraced Arthur and confessed that she loved him and wanted him to be her husband.
• Arthur and Rias spent the night together, and Rias teased him the next morning about how he had won over Koneko Toujou.

Arthur attended a banquet in the Demon World with Rias and her companions, where Sairaorg Bael challenged him to a Rating Game. The chapter ended with Arthur dismissing the challenge because he considered the difference in their strength overwhelming.

• Rias asked Arthur to become her servant because she feared losing him, and Arthur told her that time would not kill him.
• Arthur and Rias dressed for the banquet and entered a hall filled with devils, angels, and Fallen Angels.
• Sona Sitri congratulated Rias on her relationship with Arthur and greeted him as the King of Knights.
• Sairaorg Bael approached Rias and Arthur, introduced himself through Rias, and expressed his desire to fight Arthur in a Rating Game.
• Arthur ignored Sairaorg's challenge, believing their difference in strength was too great.

Arthur reunited Koneko Toujou with her sister, Kuroka Toujou, then trapped Kuroka inside Victory's Golden World so she could not leave. Back at the banquet, Loki arrived to oppose Odin's alliance with the other mythologies and summoned the god-slaying wolf Fenrir.

• Arthur followed Koneko Toujou into the forest, where she revealed she had sensed her sister, Kuroka Toujou.
• Kuroka Toujou teased Koneko Toujou about abandoning her, but Koneko Toujou said she had never hated her, and the sisters embraced.
• Kuroka Toujou tried to leave as a Stray Devil, so Arthur trapped her inside Victory's Golden World and returned to the banquet with Koneko Toujou.
• Arthur noticed Odin at the banquet, where the three factions were announcing their alliance with Norse Mythology.
• Loki appeared as an uninvited guest, admitted he was cooperating with the Khaos Brigade, and challenged the alliance because it could prevent Ragnarok.
• Loki summoned Fenrir, prompting Sirzechs to warn that the situation was dangerous.

After Ajuka Beelzebub gave Arthur a spatial storage Sacred Gear, Arthur agreed to confront Loki and was transported to the battlefield. Loki spotted him as he arrived, leaving their fight about to begin.

• Ajuka Beelzebub imprisoned Loki and Fenrir and transferred them to another space, preventing their fight from damaging the Gremory territory.
• Kuroka Toujou teased Koneko Toujou about Arthur and decided to stay with him rather than leave.
• Sirzechs and Azazel asked Arthur to act against Loki, and Arthur requested a spatial storage-type Artificial Sacred Gear in exchange.
• Ajuka Beelzebub gave Arthur a bracer containing a vast storage space, and Arthur agreed to go to the battlefield.
• Ajuka Beelzebub transported Arthur to the battlefield, where Loki noticed him and demanded to know who he was.

Arthur released more of Excalibur’s seals while fighting Loki and Fenrir, then unleashed its nine-seal power against the god-slaying wolf. The golden blast engulfed the battlefield, leaving Fenrir’s fate unclear.

• Loki summoned Fenrir to help him fight Arthur after Arthur’s seven-seal Excalibur overwhelmed his beam.
• Fenrir charged Arthur, who used his Phoenix Authority, Mana Burst, Armament Haki, and Boost to kick the wolf into a crater.
• Loki fired a powerful laser at Arthur, who countered with a beam while releasing Excalibur’s seals up to eight.
• Fenrir lunged at Arthur from below as Arthur released Excalibur’s ninth seal and swung the sword down at him.
• Arthur’s nine-seal Excalibur unleashed a torrent of golden light that covered the battlefield and the observers’ viewing screen.

Arthur defeated Fenrir with Excalibur released to nine seals, but the Hero Faction arrived to rescue Loki. After meeting Cao Cao and his companions, Arthur transported everyone to his Victory’s Golden World, leaving the next battle to begin there.

• Arthur’s nine-seal Excalibur devastated the battlefield and left Fenrir near death, though the wolf survived.
• Arthur prepared to attack Loki, but a light laser interrupted him and caused the mana temporarily boosted by Ddraig to dissipate.
• Cao Cao arrived with Leonardo, Siegfried, and Vali Lucifer, carrying the Twilight’s Holy Lance, while observers recognized the group as descendants of heroes and Longinus wielders.
• Cao Cao greeted Arthur and acknowledged the genuine power of Excalibur as Arthur descended to meet him.
• Arthur invoked Victory’s Golden World, transporting himself, Loki, Fenrir, Cao Cao, and the Hero Faction to a separate battlefield.

Arthur and Cao Cao fought after Cao Cao arrived with the Hero Faction to take Loki and the God-slaying wolf, and Arthur summoned Rhongomyniad to meet Twilight's Holy Lance. Cao Cao revealed the lance's Subspecies Balance Breaker and launched its weapon-destroying Wheel Treasure at Rhongomyniad.

• Cao Cao told Loki that the Hero Faction had not come for him, then explained that he had come to meet Arthur after Vali relayed Arthur's interest.
• Arthur declined Cao Cao's implied invitation to join the Hero Faction and summoned Rhongomyniad, accepting Cao Cao's challenge.
• Cao Cao attacked Arthur with Twilight's Holy Lance, and Arthur used Future Sight to evade and counter his strikes.
• Arthur unleashed Rhongomyniad's golden power to shatter Cao Cao's lance shadows, but Cao Cao blocked the attack and activated the lance's Subspecies Balance Breaker.
• Cao Cao fired Wheel Treasure, a beam designed to destroy the strongest weapon on the field, at Rhongomyniad, and Arthur questioned whether the lance could withstand it.

Arthur unleashed Rhongomyniad against Cao Cao and countered the Longinus wielder’s teleportation and attacks with his Authorities and speed. He then used Conqueror’s Haki, forcing Cao Cao to defend himself, and said he had figured out Cao Cao’s abilities.

• Arthur released Rhongomyniad’s Seven Seals and destroyed Cao Cao’s Wheel Treasure with its True Name Release.
• Cao Cao used the Horse Treasure to teleport behind Arthur and attack, but Arthur blocked the strike and threw him toward a rock.
• Arthur activated the Phoenix Authority and used his speed to evade Cao Cao’s attempt to teleport him into a spear thrust.
• Arthur summoned his King’s Sword and unleashed Conqueror’s Haki, which Cao Cao absorbed with the Jewel Treasure.
• Cao Cao used the Elephant and Householder Treasures to hover in the air and create a double, while Siegfried and Leonardo watched Arthur suppress him.
• Arthur approached Cao Cao and said he had more or less figured out his abilities.

Arthur defeated Cao Cao and took the Twilight's Holy Lance, but the system marked his quest only 90% complete. He began weaving Words of Power to strip the Bible God's divine will from the lance and merge it into his Mystery Seed.

• Arthur used Avalon to withstand Cao Cao's attacks while his Golden Swords completed their Words of Power.
• Arthur unleashed a storm of Golden Swords that buried Cao Cao beneath a hill of swords and stripped him of the Twilight's Holy Lance.
• Arthur took the lance and received a system notification that his collection and Conceptual Enchantment quest was only 90% complete.
• The system issued a follow-up quest to strip the lance's divine will and merge it into the Mystery Seed.
• Arthur began weaving Words of Power about the Bible God, while Cao Cao and Vali realized the Golden Swords could sever a Sacred Gear and strip away its ownership.

Arthur used the Golden Sword and his ultimate technique seed to draw out the god’s will within the Holy Lance, then absorbed the resulting light and entered a primordial void. There, he created the universe and all things, and the light within him evolved into the ultimate technique called “Truth.”

• Arthur released the god’s will from the Holy Lance and sent his ultimate technique seed through its protective barrier into the golden light.
• The golden light entered Arthur, carrying his consciousness to a primordial void where his armor and clothes became a white robe and his hair turned silver-white.
• Arthur’s power surged as the golden light fused with his body, and he declared, “Let there be light.”
• Arthur created the universe, stars, planets, day and night, sky, seas, land, and living plants through spoken commands.
• The light within Arthur evolved into the ultimate technique “Truth,” and his consciousness returned to reality.