Arc 30The Labyrinth’s Call

Testarossa and Ultima annihilated the Empire’s first force, while Rimuru’s side prepared to draw the remaining troops into the Great Underground Labyrinth. The labyrinth’s guardians gathered to face the coming invasion as Karigulio assembled the Empire’s 700,000 soldiers outside its entrance.

  • Testarossa defeated Debos, Gordon, Gasta, Barut, and the nearby Imperial soldiers, while Rimuru learned how easily she had overcome Debos after his advance to Saint.
  • Testarossa and Ultima destroyed the Empire’s tanks and aerial forces, and Benimaru learned that they were Primordial Demons as the Federation counted no casualties and gathered Imperial souls.
  • Rimuru and the executives planned to lure the Empire’s remaining troops into the Great Underground Labyrinth, while Carrera secretly swapped Mo Li’s tea set and kept the one he had used.
  • Karigulio brought the Empire’s 700,000 troops to the labyrinth entrance, where Rimuru and Benimaru relied on Veldora and Azhdaha to defend it.
  • Veldora, Azhdaha, and Ramiris briefed the labyrinth guardians on the invasion, explaining the floors, keys, and final challenges that the Empire would have to overcome.
  • Beretta appointed Gadra a Ten Great Labyrinth Master and Magic King, then offered her leadership position to the guardian who earned the greatest merits in the campaign.
  • Ze'Chion rallied the Ten Great Labyrinth Masters to fight for Rimuru and Mo Li, while Xiao vowed his own devotion and Mo Li sensed the distant cheers.
  • Karigulio surveyed the Empire’s assembled 700,000 troops, satisfied with their formation and imposing aura.
Chapters 726–750 Vol. 8 Read

Ch. 726The Defeated Original White; Diablo's Art of Speech

Testarossa faced the three humans who had once sealed her, while Rimuru and the others watched from the Labyrinth control room. Rimuru asked Diablo whether he had ever been defeated, and Diablo answered with a tactful boast that left Rimuru suspicious.

  • Testarossa mocked Debos and the two others as they confronted her and recalled sealing her in the past.
  • Rimuru learned that the three humans had once defeated Testarossa and wondered how powerful they were.
  • Rimuru asked Diablo whether he had ever lost, prompting Veldora, Azhdaha, and the others to listen closely.
  • Diablo claimed he had never been defeated but praised Rimuru, Veldora, and Azhdaha as beings stronger than himself.
  • Veldora and Azhdaha accepted Diablo’s praise, while Rimuru suspected that Diablo’s answer had been carefully worded.

Ch. 727Rookies: Guy, Feldway...; Debos and the Others Being Toyed With

Rimuru worried that Debos and his companions could defeat Testarossa, but Diablo and Mo Li assured him she was far stronger than them. As Debos prepared to strike, Testarossa had already freed herself from their chains.

  • Diablo called his past opponents rookies and weaklings, leaving Mo Li speechless while the others accepted his claim.
  • Rimuru feared that Debos, Gordon, and their companion posed a danger to Testarossa and considered using Divine Tears to help her.
  • Diablo told Rimuru that Testarossa had once allowed herself to be sealed and was now powerful enough to handle the three humans.
  • Mo Li confirmed that Testarossa could defeat the soldiers, then watched Debos order his companions to go all out and seal her.
  • Debos and the others donned golden armor, but they discovered that Testarossa had already undone their chains and taken them into her hands.

Ch. 728Everyone Realized Something Was Wrong; Testarossa's Cruelty

Testarossa exposed Debos and his companions as no match for her, then captured Gasta as he tried to flee. She mutilated him and kept him conscious and alive, leaving Debos enraged as he condemned her cruelty.

  • Debos and his two companions armed themselves with golden armor and tried to attack Testarossa, but she revealed their chains had never restrained her and cracked one with her hand.
  • Gasta recognized Testarossa as the legendary Original White and began sneaking away while Debos and the others faced her.
  • Testarossa vanished from the battlefield and seized Gasta by the throat before he could escape.
  • Testarossa severed Gasta's legs and arms, sealed his voice, and used magic to keep him conscious and prevent him from bleeding to death.
  • Debos shouted at Testarossa and demanded to know what she thought life was.

Ch. 729Poor Gasta; The Shocked Trio

Testarossa tortured Gasta and revealed that she had been named and incarnated, shocking Debos, Gordon, and Barut. Debos ordered Gordon to report the news to the Emperor while Barut charged at Testarossa to hold her off.

  • Testarossa kept Gasta alive and inflicted curses on him, leaving him writhing in agony.
  • Testarossa told Debos, Gordon, and Barut to call her by her name, Testarossa, rather than Original White.
  • Debos realized Testarossa had been named and incarnated, and decided the Empire had to be warned immediately.
  • Debos ordered Gordon to use transfer magic and report the news to the Marshal and the Emperor.
  • Barut volunteered to hold Testarossa off, then charged at her in anger.

Ch. 730Barut's Instant Defeat; The Despair of the Two

Testarossa killed Barut with ease and trapped Debos and Gordon when their teleportation magic failed. She revealed that she had become a Demon Duke, leaving the two Imperial knights terrified and helpless.

  • Barut charged Testarossa, but she evaded his spear and killed him by crushing his throat.
  • Debos realized Testarossa might have advanced to the rank of Demon Duke and decided he had to warn the Emperor.
  • Debos ordered Gordon to finish the teleportation circle, but it failed to activate because Testarossa had used Magic Essence Jamming Radiation.
  • Debos demanded to know why Testarossa was so powerful, and she revealed that she had become a Demon Duke after receiving her name.

Ch. 731Breakthrough at the Brink; Debos the "Saint"

Testarossa revealed that she had become a Demon Duke and taunted Debos and Gordon about the thousands she had killed. Debos awakened the Unique Skill [Heart of Justice] and became a Human Saint, then challenged Testarossa, who looked forward to killing him for Lord Morax.

  • Testarossa told Debos and Gordon that she had advanced to Demon Duke after receiving a name and had nearly reached its limits.
  • Testarossa recalled killing over ten thousand people and said they had been only accessories to her contract, enraging Debos.
  • Debos fought against Testarossa's magic circle and awakened the Unique Skill [Heart of Justice], breaking through to Human Saint.
  • Gordon celebrated Debos's breakthrough, while Testarossa let him advance and considered taking his head as an offering to Lord Morax.
  • Debos embraced his new strength and arrogantly ordered Testarossa to surrender and offer her neck for execution.

Ch. 732Ultima's Appearance; The Arrogant Second Daughter

Debos broke through to Saint-level power and challenged Testarossa, but she treated him as insignificant prey. Ultima arrived and briefly contested Testarossa for the chance to kill him, then let Testarossa handle the fight as Debos prepared to attack.

  • Debos declared himself a Saint and ordered Testarossa to surrender, while she dismissed his new strength.
  • Testarossa compared Debos unfavorably to Ze'Chion and accepted his challenge.
  • Ultima arrived, recognized Debos as a newly advanced Saint, and called him promising prey.
  • Ultima and Testarossa argued over who would fight Debos before Ultima agreed to stand aside.
  • Debos furiously attacked the demons, and Testarossa faced him without showing concern.

Ch. 733Overwhelming Battle; Debos's Curtain Call

Testarossa effortlessly defeated Debos after he challenged her, killing the newly advanced Saint and ending his story. Ultima watched as Debos’s final attack failed, and Testarossa left the battle victorious.

  • Ultima stepped aside and left Debos to Testarossa.
  • Debos charged at Testarossa, who blocked his full-powered sword strike with her bare hand.
  • Debos frantically attacked, but Testarossa dodged or blocked every blow without injury.
  • Testarossa vanished, pierced Debos through the chest, and then beheaded him.
  • Debos realized he had died as his head flew from his body.

Ch. 734Death's Blessing; Carrera on Standby

Testarossa killed Debos and used Death's Blessing to wipe out the remaining Imperial soldiers on the battlefield. Afterward, she and Ultima discussed the destruction and revealed that Carrera remained on standby at headquarters.

  • Testarossa beheaded Debos, ending the battle between them.
  • Gordon gave up resisting after witnessing Debos's defeat, and Testarossa prepared to kill him with Death's Blessing.
  • Testarossa unleashed Death's Blessing, killing Gordon, Gasta, and the nearby Imperial soldiers while leaving the battlefield silent.
  • Testarossa reproached Ultima for destroying equipment with Flame of Ruin and warned her to be careful with their power.
  • Ultima asked where Carrera was, and Testarossa explained that Carrera remained on standby at headquarters.

Ch. 735Two Women Roast Carrera; Xiao, the 'Strongest Demon Lord Seed'

Ultima and Testarossa discussed Carrera’s recklessness and praised Mo Li’s foresight in keeping her at headquarters while they helped force out threats to Lord Rimuru. Testarossa also described Xiao as an exceptional fighter, the strongest Demon Lord Seed, whose combat ability surpassed the Federation’s other executives.

  • Ultima asked where Carrera was, and Testarossa said she remained at headquarters because her careless use of powerful spells could cause trouble.
  • Ultima and Testarossa recalled Carrera’s nuclear magic attacks on Leon’s Golden Country and admired Mo Li for anticipating the danger she posed.
  • Ultima and Testarossa expressed their devotion to Lord Morax and agreed to follow Mr. Benimaru’s orders to draw out threats to Lord Rimuru.
  • Testarossa said Mo Li likely also intended to temper the Federation’s subordinates, who had gained strength faster than they had gained combat experience.
  • Testarossa praised Xiao as a rare, formidable Demon Lord Seed who could threaten the Primordial Demons, while noting that the Federation had no one else like him.

Ch. 736Collecting Human Souls; Rimuru's Faulty Brain

Testarossa killed Debos after he broke through to the Saint realm, while Testarossa and Ultima collected the fallen soldiers’ souls for their own growth. Rimuru panicked during the battle and was stunned by Testarossa’s victory, so Mo Li scolded her for letting melodramatic novels distort her judgment.

  • Testarossa and Ultima praised Xiao’s strength and gathered human souls from the battlefield, mindful of Mo Li’s restrictions on harming the Federation’s reputation.
  • Rimuru watched Debos reach the Saint realm and nearly used World-Suppressing Rock Spear, but Mo Li stopped her.
  • Testarossa swiftly killed Debos, leaving Rimuru shocked that the newly advanced Saint had been defeated so easily.
  • Mo Li explained that Testarossa’s strength and carefully perfected body made her far superior to Debos, then told Rimuru to read fewer melodramatic novels.

Ch. 737The Control Room's Shock; Benimaru's Breakdown

Benimaru watched the battle’s overwhelming results and was stunned by how powerful Gobta, Gaviru, the Black Legion, Testarossa, and Ultima had proved to be. With the Empire’s forces annihilated and his carefully prepared plans rendered useless, Benimaru was left exhausted while Rimuru tried to convince herself she was not responsible.

  • Benimaru watched Gobta and Ran-ga tear through the enemy camp and Gaviru destroy airships in his Dragon Warrior Transformation, far exceeding his expectations.
  • Benimaru learned that Old Man White and the others had wiped out the Empire’s supply force alongside part of the Black Legion.
  • Testarossa and Ultima destroyed the Empire’s Magic-infused Tank and aerial forces, a total of 260,000 troops, with two spells.
  • Benimaru lamented that the enemy had been annihilated before he could use his battle plans and that he would have to revise the plans for what came next.
  • Rimuru felt guilty at Benimaru’s breakdown, then tried to shift the blame by insisting Testarossa and Ultima were Ari’s subordinates and that she had not known how strong they were.

Ch. 738Shuna's Explanation; Collecting Human Souls

Shuna explained that Diablo and Testarossa were Primordial Demons, leaving Benimaru shocked by their identities and by Rimuru’s power. After the victory, Rimuru led a meeting to review casualties and discuss collecting human souls to awaken her subordinates.

  • Shuna explained the Primordial Demons’ identities to Benimaru, who realized Diablo and Testarossa were among the seven original demon monarchs.
  • Benimaru accepted the revelation and regarded Rimuru’s command over such powerful figures with awe.
  • Rimuru led a post-battle meeting and reviewed the damage: the Federation had no casualties, while the Empire lost 260,000 troops.
  • The Federation collected the dead Imperial soldiers’ souls for Rimuru because many of her subordinates had reached the Bottleneck Period.
  • Rimuru learned that [King of Wisdom] could use enough human souls to awaken one of her subordinates, though some individuals could awaken with far fewer souls.

Ch. 739Lord Rimuru's Little Scheme; Everyone Wants to Earn Merit

Rimuru planned to secretly awaken Benimaru and others later, but got distracted during the meeting and was flicked on the forehead by Mo Li. The meeting turned to the Empire’s remaining forces, while Carrera asked to fight and was assigned to wait for orders in the control room.

  • Rimuru considered secretly awakening Benimaru and the others to surprise Ari, then grinned at Mo Li during the meeting.
  • Mo Li flicked Rimuru on the forehead, and Rimuru returned her attention to the meeting after Shion reminded her they needed to discuss the Empire.
  • Rimuru and the executives discussed that the Empire still had more than seven hundred thousand soldiers, but Shion and others eagerly wanted to fight them.
  • Carrera asked Mo Li for permission to attack the Empire, and Mo Li refused because her Nuke Magic could devastate the surroundings.
  • Mo Li told Carrera to stay in the control room and await orders, which immediately cheered her up.

Ch. 740The Primordial Three Females' Desire; Tanuki Swaps Prince

Mo Li rejected Carrera’s request but let her remain nearby, while Rimuru outlined a plan to lure the Empire’s remaining troops into the Great Underground Labyrinth. Carrera seized the chance to steal Mo Li’s used tea set, leaving the plan in place and her prize in hand.

  • Mo Li refused Carrera’s proposal, then allowed her to stay in the control room and await his orders.
  • Carrera stood close behind Mo Li while Rimuru discussed drawing the Empire’s remaining seven hundred thousand troops into the Great Underground Labyrinth with Benimaru and the others.
  • Mo Li reached for more tea, and Carrera volunteered to take his teapot and teacup away.
  • Carrera used Steal the Sky and Change the Sun—Tanuki Swaps Prince—to replace Mo Li’s tea set with an identical one and keep the set he had used.

Ch. 741Shuna and Carrera's Clash; the Great Labyrinth Guarded by Two Calamities

Carrera secretly replaced Mo Li’s tea set with one bearing his aura, prompting Shuna to silently confront her. Meanwhile, Rimuru’s rumors and warning at the Great Underground Labyrinth drew the Empire toward a trap guarded by two Calamity-class beings.

  • Carrera used Steal the Sky and Change the Sun, a Tanuki Swaps Prince, to exchange Mo Li’s tea set, and Mo Li drank from the new cup without realizing the switch.
  • Shuna noticed Carrera’s trick and glared at her, while Carrera realized she had been exposed and refused to give the tea set back.
  • Shuna and Carrera suppressed their anger and continued the meeting without drawing attention from the others.
  • Gadra informed Karigulio about the Demon Country Federation, which Rimuru and Ramiris had moved to the deepest level of the Great Underground Labyrinth.
  • Rimuru spread rumors about the Labyrinth’s treasures and placed a warning on its gate, luring the Empire’s seven hundred thousand troops toward a dungeon guarded by Veldora and the Rock Dragon King.

Ch. 742Karigulio's Caution; the Impregnable Great Underground Labyrinth

Karigulio ordered the Empire’s seven hundred thousand troops to form up outside the Great Underground Labyrinth, wary of its Calamity-class guardians Veldora and Azhdaha. Rimuru and his allies judged the battle likely to end in their favor as the guardians left to prepare for the coming fight.

  • Karigulio reviewed intelligence about Morax, Veldora, and Azhdaha and grew wary of the two Calamity-class beings guarding the labyrinth.
  • Karigulio chose caution and arranged the Empire’s seven hundred thousand troops into formation before the labyrinth entrance.
  • Rimuru watched the Empire’s movements and told Benimaru that victory seemed assured.
  • Benimaru explained that Veldora and Azhdaha could defend the labyrinth even against powerful Imperial opponents.
  • Veldora and Azhdaha reassured Rimuru, then left with Ramiris to prepare for the decisive battle.

Ch. 743The Gathered Ten Great Labyrinth Masters; Nine Demon Luo and Yapitto at Each Other's Throats

Mo Li stayed behind to oversee the coming battle while the Demon Country Federation’s forces prepared to face the Empire’s army. In a secret hall, the Great Underground Labyrinth’s guardians gathered, and Xiao silenced Nine Demon Luo and Yapitto as their argument over who was strongest threatened to become a fight.

  • Azhdaha and Veldora left the control room to guard the final checkpoint, while Mo Li remained with Rimuru to observe the battle and protect him.
  • Mo Li decided to let the Demon Country Federation’s cadres and labyrinth forces handle the Empire’s troops, keeping himself as their safety net if a threat proved too great.
  • The Ten Great Labyrinth Masters and other guardians gathered around a silver table in a secret hall, with Xiao seated at its head.
  • Nine Demon Luo declared herself the strongest and challenged Yapitto, who rejected her claim and agreed to fight.
  • Xiao ordered them to be quiet, and Nine Demon Luo and Yapitto immediately backed down.

Ch. 744The Labyrinth Monsters' Meeting; Azhdaha's Advice

Veldora, Azhdaha, and Ramiris gathered the Great Underground Labyrinth’s rulers to discuss the unprecedented war and promised everyone a chance to fight. Azhdaha warned Xiao not to expect opponents who could match him, leaving his hopes for a worthy challenge uncertain.

  • Xiao silenced the gathered rulers before Veldora, Azhdaha, and Ramiris entered the hall.
  • Ramiris explained that the war posed an unprecedented crisis for the Great Underground Labyrinth and asked everyone for their thoughts.
  • Nine Demon Luo and Yapitto argued over how to respond, and Veldora intervened by promising every ruler a chance to fight.
  • Azhdaha said the coming battles would resolve the unfair distribution of opponents among the floor rulers.
  • Xiao asked whether he would face suitable opponents, and Azhdaha advised him not to expect anyone evenly matched with him.

Ch. 745Azhdaha's Explanation; Xiao Prepares to Crush Some Small Fry

Azhdaha warned Xiao that the Empire had almost no fighters who could match his strength, leaving Xiao disappointed that he could not test himself in the current war. Azhdaha told him to defeat weaker enemies for now and wait until the conflict escalated, and Xiao accepted the plan.

  • Azhdaha explained that only a handful of the Empire's strongest fighters could serve as opponents for Xiao, and none were likely to enter the current battle.
  • Xiao felt disappointed because he wanted to test his strength and believed his role was to help Lord Emperor, but he could no longer find work doing so.
  • Azhdaha told Xiao to crush weaker enemies for now and wait until stronger opponents appeared later in the war.
  • Xiao thanked Senior Azhdaha, and the Ten Great Labyrinth Masters realized that Xiao was simply too strong for the war's early stages.

Ch. 746Ambitious Labyrinth Dwellers; Strict Labyrinth Rules

Veldora and Ramiris explained the labyrinth’s war plan, which would teleport up to 540,000 imperial soldiers into its middle floors for the guardians to fight. They described strict rules for escaping and reaching the Hundredth Floor, where Veldora and Azhdaha awaited, while warning that a dangerous enemy might threaten Rimuru.

  • Azhdaha told Xiao that he was too strong for the war’s early stages and would have to wait for stronger opponents to appear.
  • Veldora and Ramiris explained that imperial soldiers would be teleported into the labyrinth in batches of one thousand, filling its floors with up to 540,000 enemies.
  • Ramiris warned the guardians that the army might include someone capable of threatening Rimuru, prompting them to ready themselves for battle.
  • Ramiris explained that enemies could not leave the labyrinth without clearing it, which required collecting ten keys, defeating Xiao on the Ninetieth Floor, and earning his Guardian’s Proof.
  • Ramiris revealed that challengers who met those requirements would face Veldora and Azhdaha together on the Hundredth Floor.

Ch. 747Despairing Labyrinth Challenge Rules; Seat of the Leader of the Ten Great Labyrinth Masters

Ramiris explained that the Imperial Army would face seemingly endless challenges in the Great Underground Labyrinth, with no reliable way to escape or win. The Ten Great Labyrinth Masters prepared for the invasion, and Beretta announced that she would relinquish her leadership position to whoever earned the most merit.

  • Ramiris's rules required the Empire to defeat the Ten Great Labyrinth Masters, collect their keys, overcome Xiao, and then face Veldora and Azhdaha, with further challenges awaiting even if they won.
  • Ramiris warned that enemies who rested before the Fortieth Floor would face Gozul and Mezul, and entrusted the coming battle to the gathered defenders.
  • Adaman said he looked forward to killing the Imperial soldiers, while Nine Demon Luo challenged Yapitto to compete over who killed more enemies, and Yapitto accepted.
  • Beretta announced that, as Labyrinth Administrator and leader of the Ten Great Labyrinth Masters, she would give her position to whoever earned the most outstanding merits in the campaign.
  • The other Ten Great Labyrinth Masters, including Ze'Chion, became eager to claim Beretta's position.

Ch. 748Gadra, the Magic King; Even More Explosive News

Beretta relinquished the leadership of the Ten Great Labyrinth Masters and appointed Gadra, who became the Magic King. Ramiris and Veldora then revealed that Rimuru and Mo Li might watch the coming battle, leaving the masters excited to prove themselves.

  • Beretta gave up the leadership and all other positions among the Ten Great Labyrinth Masters, transferring the vacant seat to Gadra.
  • Beretta appointed Gadra a Ten Great Labyrinth Master and named him the Magic King, assigning him to the sixtieth floor with Adaman.
  • Ramiris announced that Rimuru would watch the battle to choose the next leader and let the masters demonstrate their abilities.
  • Ze'Chion and the other masters grew excited at the prospect of earning Rimuru's recognition.
  • Veldora added that Mo Li might watch the battle too, provoking an even stronger reaction from everyone in the hall.

Ch. 749Every one of them was a follower of the Geo Archon; everyone was tense to the extreme

Veldora revealed that Mo Li and Rimuru would watch the Labyrinth Corps’ battle, leaving Xiao and the other monsters overwhelmed by nervousness and awe. Ze'Chion urged everyone to fight with everything they had and win a magnificent victory for the two lords.

  • Veldora told the assembled Labyrinth Masters that Rimuru had entrusted them with the mission to test the Labyrinth Corps’ strength.
  • Veldora revealed that Mo Li might watch their battle, startling the crowd.
  • Xiao rose from his seat, shaken by the news that the Geo Archon would observe their performance.
  • The monsters reflected on Mo Li’s victories and regarded him as an absolute, god-like figure.
  • Ze'Chion addressed everyone and urged them to fight without retreating and secure a magnificent victory for Mo Li and Rimuru.

Ch. 750Everything Was for the Lord Emperor; Rimuru's Keen Senses

The Ten Great Labyrinth Masters rallied to win a glorious victory for Rimuru and Mo Li, while Rimuru and Mo Li watched from the labyrinth control room. The chapter ended as Karigulio surveyed the Empire’s 700,000-strong army.

  • Ze'Chion urged the Ten Great Labyrinth Masters to give everything for Rimuru and Mo Li, and they pledged to return victorious.
  • Veldora, Ramiris, Azhdaha, and Xiao watched the Masters’ display of devotion, and Xiao vowed that everything was for Lord Emperor.
  • Rimuru and Mo Li sneezed while watching the screen, and Mo Li sensed that a distant group was cheering for him without hostility.
  • Mo Li told Rimuru to keep watching because she would soon see what had happened.
  • Karigulio surveyed the Empire’s 700,000 troops, pleased with their formation and imposing aura.
Arc 30 of 49