Chapter Summaries

After defeating Silverion’s generals, Rimuru stopped a sniper’s attempt to kill Prince Elrick and ordered Souei to capture the shooter. When the Silverion king asked her to forgive his son, Rimuru rejected the pressure to let the matter go and unleashed her Demon King’s Aura.

• Benimaru defeated Rayner, leaving Prince Elrick and Duke Gama in disbelief at their failed attack.
• Rimuru sensed a sniper targeting Elrick and swallowed the bullet with a black vortex.
• Rimuru ordered Souei to capture the hidden shooter, then approached Elrick and Gama with killing intent.
• The council members and Hinata tried to dissuade Rimuru, while Gama argued that killing him would ruin the Federation’s council participation.
• The Silverion king apologized for Elrick and asked Rimuru to give him another chance.
• Rimuru refused to overlook their actions and released her Demon King’s Aura, frightening everyone present.

Rimuru confronted the King of the Silverion Kingdom after he pressured her to give Elrick another chance, unleashing her Demon King's Aura and rejecting his veiled threats. She warned him that the Demon Country Federation had powerful allies and left the confrontation unresolved.

• Rimuru unleashed her Demon King's Aura and asked the King of the Silverion Kingdom what he would do if she refused to give Elrick another chance.
• The king warned Rimuru that damaging their relationship would hurt their countries, while Elrick watched smugly and Benimaru, Shuna, Souei, and Shion prepared to defend her.
• Rimuru questioned what power gave the king the right to threaten her, and he insisted he was only asking her to consider the greater good.
• Hinata Sakaguchi moved to intervene, but Rimuru told her not to involve the Holy Imperial Nation, so Hinata held back.
• Rimuru declared that the king could not threaten her and pointed to the Demon Country Federation's other Demon King and True Dragon as backing.

Rimuru used her Demon King status and overwhelming power to punish the Silverion Kingdom’s leaders and their allies, ending the council meeting in fear. She planned to return to the Demon Country Federation and leave the lingering threat to Diablo when he returned.

• Rimuru warned the gathered leaders that no one would oppose her if she destroyed the Ingulasian Kingdom, then forced the Silverion Kingdom delegation to the ground with her aura.
• Rimuru devoured Prince Elrick and Duke Gama with her Ultimate Skill, King of Gluttony, after they pleaded for mercy.
• Rimuru also devoured Knight Rayner and the swordsman Gai, frightening the assembled leaders and earning Benimaru and Shuna’s admiration.
• Rimuru released the King of Ingulasian Kingdom and dismissed him, while he vowed that she would not remain arrogant forever.
• Rimuru decided to return to the Demon Country Federation and deal with the Silverion Kingdom’s threat through Diablo when he came back.

After the Western Council collapsed, Rimuru returned to the Demon Country Federation and learned that her newly awakened ally Azhdaha had become extraordinarily powerful. She joined a ruin investigation with Milim, Shion, and Azhdaha, setting out with Kagari while Kagurazaka Yuuki departed; Mo Li expected the expedition to bring them into conflict with Mariabell, Yuuki, and the Earth Emperor Dragon Gaia.

• Souei reported that Granbell and Mariabell had orchestrated the attack on Rimuru, and that Kagurazaka Yuuki had been involved, supposedly under Mariabell's control.
• Rimuru returned to the Demon Country Federation, reunited with Mo Li, and discovered that Azhdaha had awakened with power rivaling the strongest beings.
• After hearing about the council, Azhdaha offered to punish the humans, but Rimuru decided to leave the matter to Diablo and kept her own plan to herself.
• Rimuru accepted Kagari's invitation to investigate ruins, and Milim joined the expedition; Mo Li added Azhdaha to protect Rimuru and test his new strength.
• Kagurazaka Yuuki introduced Kagari and left the Demon Country Federation, failing to recognize the masked Azhdaha as the ruin investigation began.

Rimuru’s expedition reached the ruins’ lowest level before the defenses activated and a decayed dragon approached. Brother Azhdaha rushed out to challenge it, while Milim recognized the dragon and hurried after him.

• Kagurazaka Yuuki failed to recognize the masked Brother Azhdaha, and the expedition reached the lowest level with almost no danger or casualties.
• The ruins shook, and King of Wisdom warned Rimuru that another team had triggered the defenses; magicule-powered dolls appeared and announced that they would eliminate intruders.
• Rimuru sensed a powerful, decayed dragon approaching and judged its presence to be that of a Calamity-class dragon, possibly a True Dragon.
• Brother Azhdaha excitedly vanished to confront the dragon before Rimuru could give an order.
• Milim recognized the dragon, panicked, and used Spatial Transfer to pursue it, while Rimuru worried that Brother Azhdaha might do something reckless.
• Outside the ruins, Brother Azhdaha faced the Chaos Dragon and said he could finally fight with all his strength.

Brother Azhdaha confronted the Chaos Dragon, but Milim asked him to handle the fight because she could not bring herself to attack her childhood companion. After effortlessly knocking the mindless dragon down, Brother Azhdaha prepared to fight it in earnest.

• Rimuru worried that Brother Azhdaha might cause trouble as the Rock Dragon King faced the Chaos Dragon outside the ruins.
• Milim appeared and pleaded with Brother Azhdaha to take on the Chaos Dragon, explaining that it had been her childhood companion.
• Brother Azhdaha agreed to subdue the dragon and unleashed an aura that overwhelmed its calamity and decay.
• Brother Azhdaha struck the Chaos Dragon out of the sky and dismissed it as a mindless puppet.
• The Chaos Dragon charged at Brother Azhdaha, setting up a battle between the two Calamity-class dragons.

Rimuru confronted Mariabell in the ruins while Azhdaha crushed the Chaos Dragon outside and sealed it. Mariabell realized her plan had gone awry, blamed Rimuru for the apparent trap, and ordered Kagurazaka Yuuki to attack.

• Azhdaha fought the mindless Chaos Dragon outside the ruins while Rimuru and the others cleared the magic puppets inside.
• Mariabell arrived with Kagurazaka Yuuki and others, admitted she intended to control Rimuru, and rejected Rimuru's offer of an equal partnership.
• Mariabell claimed Milim and Azhdaha were occupied, but Rimuru urged her to check the battle outside.
• Azhdaha overwhelmed the Chaos Dragon, sealed it beneath enormous golden stone hands, and won a crushing victory.
• Mariabell accused Rimuru of orchestrating the fight, then ordered Kagurazaka Yuuki to attack her.

Mariabell ordered Kagurazaka Yuuki and her fighters to attack Rimuru, then tried to escape after her plans failed. Rimuru defeated Yuuki and, suspicious of his sudden freedom and offer to pursue Mariabell, had Azhdaha accompany him.

• Mariabell ordered Kagurazaka Yuuki and three other fighters to attack Rimuru, while Shion engaged the other three.
• Yuuki’s Ability Erasure canceled one of Rimuru’s shields, but Rimuru blocked Mariabell’s attack and resisted her Unique Skill [Greed].
• Mariabell transferred her power to Yuuki and fled toward the center of the ruins, planning to unleash the magic crystal there.
• Rimuru fought Yuuki with her Mythical Grade weapon Nian Li, then used a shield to block his dagger and defeated him with War God Slash.
• Kagari and the expedition members pleaded for Yuuki, who claimed he had just broken free of mental control and offered to pursue Mariabell.
• Rimuru grew more suspicious of Yuuki and asked Azhdaha to accompany him as he went after Mariabell.

Rimuru and Milim rescued the Chaos Dragon by absorbing its core and body, then used a Pseudo-Soul and Milim’s naming to bring the fifth True Dragon, Velgaia, into the world. Azhdaha returned from the ruins with Kagurazaka Yuuki and Kagari after Mariabell’s death, bringing the expedition to a close.

• Rimuru left the ruins to meet Milim and found Azhdaha restraining the Chaos Dragon beneath a massive Rock Element hand.
• Milim explained that the Chaos Dragon was her friend, and Rimuru began working with her to save it.
• Kagurazaka Yuuki killed Mariabell before she could tell Azhdaha what she knew, but Azhdaha destroyed her body before Kagari could collect it.
• Rimuru devoured the Chaos Dragon’s core and collapsing body, then placed the core in a Pseudo-Soul, but it did not respond because it lacked a name.
• Rimuru asked Milim to name the dragon, and their efforts brought the fifth True Dragon, [Earth Emperor Dragon] Velgaia, into existence.
• Azhdaha returned with Kagurazaka Yuuki and Kagari, ending the expedition into the ruins.

After the expedition ended with Rimuru and Milim naming the fifth True Dragon, Velgaia, Rimuru settled into a quiet life while Diablo returned to the underworld to recruit subordinates and vent his frustrations. Guizhong built Gui Li Country into a formidable power and prepared to return to Ari, as Diablo’s arrival stirred the Primordial Three Females.

• Rimuru and Milim named the little dragon hatchling Velgaia, and the expedition to the ruins ended.
• Rimuru returned to the Demon Country Federation, while Freya took Milim and Gaia back to the Dragon's Capital.
• Diablo entered the underworld, slaughtered countless demons, and set off to meet his old friends.
• White, Purple, and Yellow sensed Diablo's arrival in the underworld.
• Guizhong renamed the Puppet Kingdom Gui Li Country and cultivated an army powerful enough to threaten a Demon Lord.
• Guizhong turned toward the Demon Country Federation, longing to return to Ari, as a teal-haired woman appeared beside her.

Guizhong prepared to leave Gui Li Country and return to the Demon Country Federation, asking Ping'er and Ganyu to accompany her. Meanwhile, Dino arrived at the Federation seeking a place to stay, leaving Rimuru and Mo Li to consider Guy's request.

• Guizhong told Ping'er she was ready to return and persuaded her to come along.
• Ping'er suggested bringing Ganyu, and Guizhong hurried off to notify her.
• Ping'er wondered aloud what Morax, the famed Geo Archon, looked like.
• Shuna summoned Rimuru and Mo Li to meet Dino, who explained that Dagruel had kicked him out for freeloading.
• Dino gave them Guy's letter asking them to shelter him, and Rimuru regarded him with helplessness.

Rimuru struggled to handle Dino and Diablo’s new recruits, while Mo Li identified the three Primordial demons Diablo had brought back. The Original White then chose to submit to Mo Li, leaving the room stunned and Diablo furious.

• Rimuru assigned Dino to serve as Ramiris’s research assistant, and Ramiris accepted him.
• Veldora transformed Ifrit into Karis, who gained power around the Demon King level.
• Diablo returned with The Original White, The Original Purple, and The Original Yellow, but Rimuru left to ask Mo Li for help assessing them.
• Mo Li revealed that the three women were Primordials on the same level as Diablo and Guy.
• The Original White knelt before Mo Li and declared that she wanted to become his subordinate, shocking everyone and enraging Diablo.

The Original White, Purple, and Yellow all chose to serve Mo Li instead of Rimuru, leaving Diablo furious and Rimuru eager to place them under her partner’s command. Mo Li accepted the three Primordials and their forces, then crafted powerful bodies for the women, whose admiration and loyalty toward him deepened.

• The Original White knelt before Mo Li, and Purple and Yellow followed by declaring that they preferred to serve him over Rimuru.
• Diablo protested that the three Primordials had betrayed his recruitment effort, but Rimuru threatened to send him to Siberia to grow potatoes and ordered him to stand down.
• Mo Li asked the three women to confirm their choice, then accepted their submission after each expressed her desire to become his subordinate.
• Mo Li accepted the three Primordials’ adjutants and their two hundred subordinates each, while Rimuru reluctantly took in Diablo’s remaining one hundred demons.
• Mo Li used materials from Azhdaha, his Authority of Rock, refined treasures, and adeptal arts to create three exceptionally durable bodies for the Primordials.

Mo Li gave the Primordial Three Females powerful bodies and named them Testarossa, Ultima, and Carrera, greatly increasing their strength and devotion to him. Rimuru began naming the remaining demons, but the next day a powerful presence appeared outside the Demon Country Federation, and Mo Li recognized that someone had returned.

• Mo Li finished preparing powerful bodies for the Primordial Three Females, leaving them even more loyal to him.
• Veldora, Ramiris, and Dino discovered that the three demons were Primordials, while Diablo regretted that they had all defected to Mo Li and Rimuru.
• Mo Li named the three Testarossa, Ultima, and Carrera, spending most of his magicules and boosting their power as they received their bodies.
• Mo Li handed the task of naming the remaining demons to Rimuru, who began her naming spree over the following days.
• The next day, Rimuru sensed a powerful aura outside the Demon Country Federation, and Mo Li recognized that someone had returned.

Guizhong returned to the Demon Country Federation with Ping'er, Ganyu, and three thousand Thousand Rock Army soldiers, whose strength alarmed the federation’s leaders and the newly named Primordial demons. Rimuru and the others gathered at the gates as the army advanced, leaving Benimaru stunned by its overwhelming presence.

• Guizhong arrived at the Demon Country Federation with Ping'er, Ganyu, and three thousand Thousand Rock Army soldiers, while Ganyu urged her to report to the leaders first.
• Benimaru, the Three-Eyed Five Manifestations Immortals, Rimuru, and other federation figures sensed the approaching group and gathered at the gates.
• Testarossa, Ultima, and Carrera mistook the approaching army for attackers, argued over who would earn Morax's favor, and then went to observe the gathering.
• Ultima, Carrera, and Testarossa recognized Xiao as a dangerous Guardian Yaksha and noticed the strength of the federation's assembled forces.
• Rimuru arrived as the Thousand Rock Army advanced, and Benimaru was shocked by the soldiers' oppressive aura and discipline.

Guizhong arrived at the Demon Country Federation with the Thousand Rock Army, alarming Rimuru and the others before she revealed that she had conquered an empire for Mo Li. The reunion ended with Guizhong proudly showing Mo Li her army.

• The Thousand Rock Army approached the Demon Country Federation, and Benimaru, Souei, and Rimuru recognized its overwhelming strength.
• Liuyun spotted Ganyu among the soldiers and tried to rush to her, but Jian Yue Zhuyang and Lishui Dieshan held her back.
• Rimuru recognized Guizhong, who immediately taunted her about her relationship with Mo Li, and the two argued over him.
• Mo Li arrived, and Rimuru and Guizhong quickly tried to assure him that nothing had happened between them.
• Guizhong pulled Mo Li toward the Thousand Rock Army and proudly told him she had conquered an empire for him.

Guizhong presented Mo Li with the three-thousand-strong Thousand Rock Army, whose soldiers pledged themselves to him as Geo Archon. Rimuru and the others judged the force powerful enough to threaten Demon Lords, and Mo Li approved of it as the chapter ended.

• Guizhong led Mo Li to see the Thousand Rock Army she had built for him.
• The army's commander recognized Mo Li as the Geo Archon, and all three thousand soldiers saluted him.
• Benimaru, Shion, and Xiao praised the army's strength, while Diablo said it could threaten Demon Lords and might surpass Azhdaha's dragon lizard army.
• Rimuru agreed the army was formidable and privately resolved to build an even stronger legion for Mo Li.
• Guizhong had the soldiers recite their creed, and Mo Li said the army deserved the name Thousand Rock.

Mo Li inspected Guizhong’s Thousand Rock Army and met Ping’er and Ganyu in Gui Li Country. The chapter ended with Mo Li thanking Ganyu for her hard work as she grew emotional.

• Guizhong led the Thousand Rock Army in reciting its creed, and Mo Li praised the army’s strength.
• Benimaru admired Guizhong’s work, then realized Rimuru was furious with him for speaking favorably about her.
• Guizhong introduced Ping’er to Mo Li, who offered her his help and a promise she could call on him.
• Guizhong brought Ganyu to Mo Li and praised her achievements in Gui Li Country.
• Mo Li stroked Ganyu’s hair and thanked her for her hard work, making her eyes redden.

Mo Li and Rimuru met Ganyu, whose grown-up appearance left Rimuru devastated by comparison. Guizhong then revealed the Puppet Kingdom’s formidable military strength, leaving Mo Li and Rimuru stunned by how powerful Gui Li Country had become.

• Mo Li praised Ganyu for her work in Gui Li Country, and Ganyu became emotional.
• Rimuru saw Ganyu’s grown-up figure and fell into despair over her own appearance, while Guizhong teased her.
• Mo Li comforted Rimuru, and the Demon Country Cadres pretended not to have seen her breakdown.
• Guizhong told Mo Li and Rimuru that three thousand Thousand Rock soldiers could fight a Demon Lord and that six thousand more were stationed in Gui Li Country.
• Guizhong displayed the Gui Zhong Machine, which could hunt Demon Lords, and Mo Li and Rimuru realized the Puppet Kingdom had become a world-class power.

Gui Zhong revealed how she had rebuilt the Puppet Kingdom into a great power, then returned to the Demon Country Federation with Mo Li and the others. There, she was shocked to see the Primordial Three Females obey Mo Li and Rimuru, and Mo Li began to explain.

• Gui Zhong displayed nine thousand Thousand Rock Army soldiers and a Gui Zhong Machine capable of hunting Demon Lords, then gave three thousand soldiers and the machine to Benimaru.
• Gui Zhong returned to the Demon Country Federation with Ping'er, Ganyu, Mo Li, and the others, where she saw the Primordial Three Females and wondered why their auras seemed familiar.
• Rimuru resumed naming demons while Ping'er went to study the Immortal Arts, and Ganyu's teacher took her away to catch up.
• Mo Li sent Testarossa, Ultima, and Carrera to Rimuru to ask for work, and Gui Zhong was stunned that the Primordials obeyed him.
• Mo Li told Gui Zhong not to worry yet as he began to explain what was happening.