Recaps

Rimuru prepared the Demon Country Federation for war as Gadra defected with Imperial researchers and the Empire crossed the warning line. The Federation routed the invading forces, while Testarossa faced the Imperial knights who had once sealed her.

• Rimuru spared Gadra’s disciples, and Gadra later helped recruit Imperial researchers and brought them to the Demon Country Federation.
• Rimuru and Mo Li completed the Divine Eyes and prepared the Federation’s defenses as the Empire became interested in Mo Li’s supposed inheritance.
• Testarossa delivered Rimuru and Mo Li’s warning to the Imperial army, but Gasta ordered his troops to cross the scorched line and attack.
• Rimuru held back from intervening directly and ordered the Federation to fight without restraint, while Gaviru and the Dragon Rider Corps transformed and attacked the Imperial airships.
• Ultima appeared aboard Faraga’s flagship, overcame the jamming radiation, killed Faraga, and destroyed the Imperial Aerial Combat Legion.
• Gobta and Ran-ga fused into a giant wolf and routed the Imperial tanks, while the Federation’s forces drove the remaining army into retreat.
• Testarossa confronted Gasta, who unleashed his ultimate attack before Debos, Barut, and Gordon arrived and bound her with holy silver chains.
• Testarossa revealed herself as the Original White and reminded the wary knights that she had once allowed them to seal her after losing interest.

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.

Karigulio sent the Empire’s army into the Great Underground Labyrinth, where its guardians steadily destroyed the invading forces. As Xiao prepared to face the surviving hundred thousand soldiers alone, Mo Li chose to respect his decision, leaving the battle about to begin.

• Karigulio committed 650,000 Imperial soldiers to the labyrinth, where traps and powerful monsters began decimating them.
• Adaman, Yapitto, and Ze'Chion defeated Imperial forces on their respective floors, while Nine Demon Luo’s illusion beasts overwhelmed nearly one hundred thousand soldiers on the Eightieth Floor.
• Xiao decided to face the Empire’s army alone to break through his martial arts barrier, and Veldora, Ramiris, and Azhdaha cleared the floors leading to him.
• Mo Li discovered Xiao’s plan and learned that Xiao had no Resurrection Bracelet, but stopped Azhdaha from retrieving him and chose to respect his decision.
• Xiao waited on the Ninetieth Floor as the Imperial army assembled, and Mo Li resolved to advance him after the war.
• The Imperial commander mistook Xiao for Rimuru, but Xiao identified himself as the Guardian Yaksha beneath the Geo Archon.

Xiao fought the Imperial army alone, pushed through a near-fatal trial, and broke into the Divine Realm with Mo Li’s help. After Xiao defeated the remaining soldiers, Mo Li took him to the Pool of Life to recover and planned to help him become a True Demon King.

• Xiao fought through the Imperial army with the Harp of Peace, killing tens of thousands while refusing to use skills or accept help.
• As Xiao grew gravely wounded and neared collapse, Mo Li blocked Azhdaha, Veldora, Rimuru, and the others from intervening, while secretly protecting Xiao with a portion of his power.
• Mo Li took control of Xiao’s body and fought the soldiers as Xiao struggled through the darkness of his trial, eventually breaking into the Divine Realm.
• Mo Li guided Xiao through his dangerous comprehension, helping him acquire [Asura Transformation] and [Asura Throw] as he entered the Divine Realm.
• Xiao returned to the battlefield, activated Asura Transformation, and used Asura Throw to kill the remaining Imperial soldiers before killing their commander.
• Xiao collapsed from the cost of his transformation, and Mo Li carried him to the Pool of Life, where his wounds began healing as he regained consciousness.