Chapter Summaries

After the injured Peerage members recovered, Sirzechs met with everyone at Kuoh Academy and encouraged them to see the bond between masters and servants as mutual. He left for the Underworld after promising to protect them as they grew stronger.

• Leo saw Yuuto Kiba and Ruruko Nimura healed by Tears of the Phoenix and considered how difficult the controlled item was to obtain.
• Leo, Rias, and Sona gathered everyone in the Occult Research Clubroom to meet Sirzechs Lucifer.
• The Peerage members blamed themselves for being too weak to protect their masters, and their dejection spread to Leo's Peerage members.
• Sirzechs reassured them that masters and servants had duties to guide and protect one another, lifting their spirits.
• Leo, Sona, and Rias told their servants they were proud of them and promised to keep working together.
• Sirzechs and Grayfia departed for the Underworld after pledging to shelter the young Devils until they grew stronger.

After the Old Satan Faction's attack, the three Peerages celebrated together while their members reflected on the crisis and grew closer. Leo discussed the powerful heirs debuting alongside him and revealed that the Bael Clan's supposedly talentless heir might be strong enough to rival him.

• The members of Leo's Peerage reflected on the dangers they had faced, and Yukino Yukinoshita and Mahiru Shiina found new resolve to grow stronger.
• Rias took Leo and the others sightseeing, and the three Peerages shared a feast that strengthened their bonds.
• Leo, Rias, and Sona Shitori discussed the prominent Devil heirs who would make their debuts alongside them.
• Leo remarked that he had the lowest status among the heirs, while Rias and Sona Shitori noted that his strength was exceptional.
• Leo revealed that Miss Musashi had told him the Bael Clan heir might rival his strength, and Rias identified the heir as her cousin.
• Leo said the heir might lack talent as a Devil but could grow strong by another path, and he predicted that the young man would astonish everyone.

Leo and his Peerage said goodbye to Rias, Sona, and their Peerages after the gathering, while Rias and Sona vowed to grow stronger and eventually challenge him. Before leaving, Leo hinted that an exceptionally talented but lecherous boy attended Kuoh Academy, prompting Sona to plan a crackdown on school discipline.

• Rias and Sona told Leo they would work harder, and Rias vowed to defeat him in a future battle.
• Leo encouraged Rias to watch for an exceptional student at Kuoh Academy, then warned her that the boy was extremely lecherous.
• Rias decided to keep an eye out for the boy, while Sona resolved to crack down on improper behavior at school.
• Leo gathered Yukino Yukinoshita, Asuna Yuuki, Utaha Kasumigaoka, and Mahiru Shiina and used the magic circle to leave with them.
• Rias, Sona, and their Peerages watched Leo and his group disappear, then remained silent.

After returning home from the Old Satan Faction attack, Leo learned that Miyamoto Musashi would protect and train the Eligos Peerage while reinforcements were arranged. He worried that their abilities had drawn attention before they were ready and began considering how to accelerate the girls’ growth.

• Leo and the girls returned to his estate, agreed to rest for the evening, and went their separate ways to unwind.
• Miyamoto Musashi told Leo that the Trix Clan had been fanatical and had been wiped out by forces led by Serafall and Falbium.
• Musashi said she would stay at the estate to train Asuna and protect the Eligos Peerage until more experts arrived from the Underworld.
• Leo reflected that Devils, Heaven, and the Fallen Angels were watching the peerage, and regretted that their potential had been revealed so early.
• Leo resolved to find a way to speed up Yukino and the others’ growth, while Mahiru quietly brought tea to his room.

Leo and the Eligos Peerage settled into school life while their Devil business grew, but two mysterious young men used a Devil Flyer to lure Leo into a fog-shrouded dimension. The chapter ended with them revealing themselves as unwelcome guests.

• Leo and his peerage continued training at the manor while Utaha Kasumigaoka, Mahiru Shiina, Yukino Yukinoshita, and Asuna Yuuki took Devil contracts.
• Leo discovered magical tricks that let Devil Flyers reject people who did not meet his summoning conditions.
• Two young men obtained an Eligos Devil Flyer and discussed targeting Leo and the peerage, though the man in hanfu said his main target was the holder of Zenith Tempest.
• The mage altered the flyer’s magic circle to summon Leo into a Different Dimension he had created.
• Leo sensed the summons and stepped into the circle, only to arrive in gray mist and realize the summoners were unwelcome guests.
• The two young men emerged from the fog and greeted Leo.

Cao Cao, wielder of the True Longinus, came to meet Leo and test the Devil who possessed Zenith Tempest. After Cao Cao attacked and Leo dodged, the two agreed to a warm-up duel, which was about to begin.

• Leo recognized the Holy Lance as the True Longinus and learned that its bearer was Cao Cao of the Hero Faction.
• Cao Cao declared his intention to challenge nonhuman beings and chose Leo as one of his opponents.
• Cao Cao struck at Leo with the Holy Lance, but Leo dodged the attack, which destroyed a distant hill.
• Cao Cao praised Leo's courage and mentioned Vali as another Devil he hoped to fight.
• Cao Cao said he had come to assess Leo's strength, then provoked him into a warm-up duel.
• Leo powered up Zenith Tempest, and he and Cao Cao prepared to begin their first battle.

Leo and Cao Cao fought in the Different Dimension, where Leo wielded Zenith Tempest to unleash natural disasters and Cao Cao countered with the True Longinus. The battle continued as Leo recognized the spear’s deadly abilities and Cao Cao eagerly urged him to show more.

• Leo and Cao Cao clashed their Sacred Gear powers, and Cao Cao launched a Torrent of Light that Leo stopped with lightning.
• Leo brought down lightning and reshaped the terrain with earthquakes, landslides, and storms, but Cao Cao used the True Longinus to propel himself through the attacks toward Leo.
• Leo hurled fireballs at Cao Cao, who smashed them all with exceptional spear skill and pursued Leo.
• Cao Cao extended the True Longinus through ice and rock barriers, and Leo grabbed its shaft before its Divine Power burned his hand and forced him to let go.
• Leo prepared to unleash Zenith Tempest again, and Cao Cao watched in anticipation and told him to show more.

Leo fought Cao Cao in the Different Dimension, exposed the Hero Faction’s role in the attacks and Cao Cao’s plan to gather intelligence, and prepared to face their ultimate powers. Georg interrupted before they could begin their decisive clash, and Cao Cao withdrew with his group, promising a rematch.

• Leo and Cao Cao fought fiercely, each sustaining injuries while their powers and weapons countered one another.
• Leo deduced that Cao Cao had been testing his abilities and that the Hero Faction had helped orchestrate the Old Satan Faction’s attack.
• Cao Cao admitted Leo’s insight made him wary and began preparing to unleash the Holy Spear’s Balance Breaker as Leo readied Zenith Tempest.
• Georg stopped Cao Cao and warned that the Underworld had detected their Different Dimension.
• Cao Cao lowered the Holy Spear, promised Leo a decisive rematch, and vanished with the others in the mist.

Cao Cao and Georg discussed Leo Eligos's unexpected strength and the Hero Faction's goal of proving humanity could surpass inhuman beings. Leo returned to his estate injured after being lured into a trap, where his companions took him to recover while Underworld agents investigated the summoning.

• Cao Cao told Georg that Leo Eligos's strength had awakened his desire for a decisive fight and might require him to use True Longinus.
• Cao Cao and Georg discussed Leo's rapid growth, his powerful subordinates, and whether the coming chaos would produce a hero of a new era.
• Cao Cao vowed to lead the Hero Faction to defeat inhuman beings and prove humanity could surpass its limits.
• Leo was forced out of the estate's magic circle, and Yukino Yukinoshita, Asuna Yuuki, Utaha Kasumigaoka, Mahiru Shiina, and Miyamoto Musashi caught him.
• Miyamoto Musashi explained that someone had tampered with Leo's Devil Flyers to trick him into answering a false summoning, and Underworld agents began tracing the mage responsible.
• Yukino Yukinoshita and Asuna Yuuki carried the injured Leo toward the living room despite his protests.

Asuna Yuuki healed Leo and revealed that she and Mahiru Shiina had quickly learned recovery abilities, surprising the Eligos Peerage. Leo then recounted his encounter with Cao Cao, leaving everyone alarmed by the attackers’ faction and its possession of True Longinus.

• Asuna Yuuki used recovery abilities to heal Leo’s wounds, explaining that she had learned from books after worrying about injured teammates.
• Yukino Yukinoshita and Miyamoto Musashi described Asuna Yuuki’s unusual talent, while Asuna Yuuki revealed that Mahiru Shiina could also heal.
• Leo praised both women, and Miyamoto Musashi urged Asuna Yuuki to study recovery abilities more deeply after her Kendo training.
• After Asuna Yuuki finished treating Leo, he told the group about his encounter with Cao Cao and the human descendants of heroes behind the attack.
• Miyamoto Musashi recognized True Longinus as the attackers’ weapon and warned that it would cause trouble.

Leo and his companions learned that the Hero Faction likely possessed three of the four Top-tier Longinus, prompting Miyamoto Musashi to report the threat to the Underworld. Rather than flee for protection, Leo proposed that the Eligos Peerage take leave from school and begin special training.

• Leo explained that the Hero Faction likely had the wielders of True Longinus, Dimension Lost, and Annihilation Maker.
• Miyamoto Musashi hurried away to contact the Underworld and warned Leo and the others not to leave the estate.
• Yukino Yukinoshita, Utaha Kasumigaoka, Mahiru Shiina, and Asuna Yuuki worried that the Hero Faction and Old Satan Faction would target the Eligos Peerage.
• Leo said they were not strong enough to face the danger and proposed that everyone take leave from school.
• Leo announced that the Eligos Peerage would begin special training.

Leo took the four members of his peerage to a hidden devil station beneath Nishi-Funabashi, explaining that they would travel through official channels to the Underworld for training. A demonic train arrived, and he led the girls aboard to obtain their entry documents.

• Utaha, Yukino, Asuna, and Mahiru complained that Leo had made them leave before dawn without explaining their training plans.
• Leo told the girls they were going to the Underworld and explained that newly reincarnated devils had to enter through official channels before using magic circles.
• Leo used a card to open a sealed passage at Nishi-Funabashi Station and led the girls down in a hidden elevator.
• The group found a vast, deserted station reserved for local devils beneath the human station.
• A menacing train arrived, and Leo led the stunned girls toward it to get their Underworld entry documents.

Leo brought the Eligos Peerage by train into the Underworld and explained that their abandoned territory needed to be rebuilt. The group arrived at a ruined camp on the edge of the Eligos Territory, where Leo prepared to put the girls through a month of training.

• The Eligos Peerage completed the train’s identity checks and boarded for the Eligos Territory.
• Leo explained that the Eligos Territory had become a wasteland after the clan died out and said they would eventually rebuild it with help from future recruits.
• Leo showed the girls a map of an ancient Eligos battlefield and planned to train them there for a month.
• The train crossed the Dimensional Wall, and the girls saw the Underworld’s mountains, forests, lakes, and purple sky.
• The train entered the ruined Eligos Territory and stopped at a camp, where Leo told the girls it was time for their trial.

Leo moved the Eligos Peerage into the camp and laid out a month of training to strengthen the girls’ bodies and Demonic Power while developing their individual abilities. He began coaching them on their afternoon practice before sending them to train through combat and the Ancient Battlefield’s harsh conditions.

• Leo assigned the four girls tents near the Central Plaza, then gathered them by the bonfire and gave each a tailored Training Plan.
• Leo explained that stronger physical fitness and Demonic Power would let them sustain their Sacred Gears and eventually use Balance Breaker more effectively.
• Leo told Asuna Yuuki to continue her swordsmanship training and advised Yukino Yukinoshita to fight alongside Absolute Demise rather than control it like a puppet.
• Leo instructed Utaha Kasumigaoka to experiment with barrier formations and told Mahiru Shiina to deepen her understanding of the Holy Cross, Divine Power, and Purification Power.
• Leo said the girls would train in actual combat and endure the Ancient Battlefield’s environment in the evenings, then started their training.

Leo put the Eligos Peerage through grueling basic training in the Underworld, using Magic Bullet attacks to push the girls to their limits and disrupt their Demonic Power manifestations. After assigning each girl a specialized training ground, he headed to the Ancient Battlefield to begin his own training.

• Leo chased Yukino Yukinoshita, Asuna Yuuki, Utaha Kasumigaoka, and Mahiru Shiina with Magic Bullets for two hours to force them to run and circulate their Demonic Power.
• After the girls collapsed, Leo made them repeatedly manifest their Demonic Power while he interfered, continuing the exercise until noon.
• Leo had familiars bring the exhausted girls lunch made with special ingredients from the Underworld that rapidly restored their energy.
• Leo led the girls to individual training grounds suited to their abilities: an Ice Cave for Yukino Yukinoshita, a Light Power area for Mahiru Shiina, a field of broken swords for Asuna Yuuki, and an empty lot for Utaha Kasumigaoka.
• Leo entered the Ancient Battlefield to begin his own training, and lightning and thunder soon filled the sky.

Leo forced Asuna, Yukino, Utaha, and Mahiru to confront their fear of ghosts by sending them to train on the Ancient Battlefield for four hours. He rescued them afterward, but their murderous glares drove him to flee before preparing the promised surprise.

• Leo brought the girls to the Ancient Battlefield and revealed that its drifting figures were vengeful spirits.
• After learning that all four girls feared ghosts, Leo decided they would train there for four hours each night without him.
• Leo hurled the girls toward the ghosts, and they fought spirits and other creatures amid chaos across the battlefield.
• When the four hours ended, Leo charged in with lightning and carried the exhausted girls back to camp.
• The girls stared blankly until they realized Leo was nearby, then glared at him angrily as he ran off to prepare their surprise.

After a grueling day of training, Yukino Yukinoshita and the others discovered the hot spring Leo had prepared and relaxed in it, though they worried he might join them. Their bath ended with Utaha Kasumigaoka teasing Yukino Yukinoshita about her figure, while Leo flew back toward the Ancient Battlefield.

• Yukino Yukinoshita, Asuna Yuuki, Utaha Kasumigaoka, and Mahiru Shiina returned to camp exhausted and found Leo missing.
• One of Leo's familiars led the girls to a nearby tent, where they discovered a newly built hot spring and bathing supplies.
• The girls worried that Leo might secretly watch them or openly join them, but Mahiru Shiina began undressing, and the others followed.
• The girls rinsed off and soaked in the hot spring, discovering that its water healed their wounds.
• Utaha Kasumigaoka teased Yukino Yukinoshita about her small chest, and Asuna Yuuki and Mahiru Shiina tried to comfort her.
• Leo watched from atop the tent, then spread his wings and flew toward the Ancient Battlefield.

The Eligos Peerage made extraordinary progress during half a month of grueling training, with Yukino Yukinoshita reaching High-Class Devil level and the girls becoming strong enough to force Leo to use his full power. As Leo prepared for another training session, Sirzechs Lucifer and Grayfia Lucifuge arrived to discuss something with him.

• The Eligos Peerage followed an increasingly demanding training routine, improving their physical abilities, Demonic Power control, and courage in combat.
• Yukino Yukinoshita, Asuna Yuuki, Utaha Kasumigaoka, and Mahiru Shiina transformed in strength and presence, with Yukino reaching High-Class Devil level and Mahiru's Purple Flame threatening Leo.
• The four girls fought Leo as a team and made him use his full strength to defeat them.
• Leo continued training with Zenith Tempest in the Ancient Battlefield, seeking harsh environments to deepen his understanding of nature.
• Sirzechs Lucifer and Grayfia Lucifuge arrived at the camp, and Sirzechs told Leo he wanted to talk.

Leo discussed the rapid growth and potential of the Eligos Peerage with Sirzechs, who explained that the Satans were investigating a coalition of extremists and guarding against further attacks. Sirzechs presented profiles of Devils selected as candidates for Leo’s peerage.

• Grayfia served tea while Leo and Sirzechs discussed the Eligos Peerage’s special training and growing strength.
• Leo said his peerage members had exceptional potential but regretted that Raife Trix’s attack had exposed them and forced them to train urgently.
• Sirzechs described suspicious activity among extremists in several factions and privately suspected Ouroboros was behind their coordination.
• Sirzechs assured Leo that the Devils were watching over the area to prevent another attack.
• Sirzechs gave Leo profiles of powerful Devils chosen as candidates for his peerage.

Sirzechs offered Leo a vetted list of powerful young Devils to recruit into his peerage and revealed that the Tablet of Destiny was in Kaguya Shinomiya’s possession. Leo accepted the lead and learned he would have to obtain the treasure himself.

• Sirzechs explained that recruiting promising Devils would quickly strengthen Leo and presented a list of candidates chosen by the Devil World’s prominent families.
• Sirzechs reassured Leo that choosing peerage members was entirely his decision and said the Devil Kings would support him without forcing him.
• Sirzechs brought up Leo’s search for a treasure for Tiamat and revealed that they had located the Tablet of Destiny.
• Leo agreed to pursue the Tablet himself rather than expect Sirzechs to retrieve it for him.
• Sirzechs told Leo that the Tablet was in Tokyo and belonged to Kaguya Shinomiya, eldest daughter of the Shinomiya Family.