Chapter Summaries

Qin Xa led Dantiok, Galan Surak, and the 12th Legion’s Librarians into a hidden underground Xenos stronghold that psychic means could not detect or reach. As the group fought through the swarm, Varius discovered that the Librarians could wield psychic power by drawing directly on Qin Xa’s overflowing energy.

• Qin Xa explained that the group would take a Drop Pod to a hidden place beneath the planet, while the other 12th Legion squads teleported into known nests.
• Qin Xa told Dantiok that the Iron Warriors had to be represented in the mission so the Fourth Legion would receive credit if the team ended the war.
• During the descent, Galan Surak mocked the Iron Warriors, and Qin Xa recognized him as Fabius Bile’s former student.
• The Drop Pod drilled into the hidden underground space, where the Librarians were weakened by the enemy’s anti-psyker power.
• Qin Xa drove back the insects with ice and snow, and Varius learned to draw psychic power from Qin Xa and attack the swarm.

Qin Xa led Dantiok and the others through a Xenos nest, discovering that the creatures stored psychic power in crystals and used a giant egg to create a psychic shadow. After Galan Surak collected samples, Qin Xa evacuated the group and left a Tactical Nuclear Warhead to destroy the nest.

• Librarians used Qin Xa's psychic power to hold back the swarm, while Ioka rested and Dantiok defended the left flank.
• Qin Xa found dark purple crystals that absorbed psychic power and explained their potential as an energy source for Psyker Weapons.
• The group discovered a giant egg being fed psychic crystals by soft-bodied worms, and Qin Xa identified it as the source of the nest's psychic shadow.
• Qin Xa ordered Galan Surak to collect samples while he and the Librarians protected him from the swarm.
• Qin Xa explained that he wanted to breed and improve the creatures to produce controllable psychic technology, then took Dantiok's Tactical Nuclear Warhead.
• Qin Xa evacuated the group from the nest, and the Tactical Nuclear Warhead detonated after they vanished into the ice and snow.

After Qin Xa’s strike killed the Xenos leader organism, the swarm collapsed, and Angron began negotiating with the Iron Warriors over Novosindak V. Perturabo secretly overheard the discussion and, despite his anger and regret, decided to meet Angron in person.

• Kiel reported that the Xenos were routing and no longer threatened the defensive lines, and Angron recognized the effect of destroying their nests.
• Qin Xa returned with the Librarians, Dantiok, and Galan Surak, revealing that they had found and killed the Xenos leader organism with a Tactical Nuclear Warhead.
• Angron proposed negotiations over the spoils, and Qin Xa demanded that the 12th Legion receive Novosindak V.
• Dantiok feared returning to Perturabo but agreed to deliver the message, while Qin Xa offered to accompany him and Angron considered going himself.
• Perturabo secretly listened to the conversation, cursed Dantiok, reflected on his own failures, and decided to meet Angron in person.

Angron negotiated with Perturabo for control of Novosindak V and access to its psychic crystals, hoping to develop new weapons for the 12th Legion. Perturabo agreed, then demanded a fair duel, leaving the terms of their agreement unresolved.

• Angron, Qin Xa, Kiel, and Kharn traveled to the Iron Warriors' defensive line, where Kiel argued that negotiating with Perturabo was unnecessary and Qin Xa explained his plans to weaponize psychic energy.
• Brown warned the delegation that he could fight before Angron entered the fortress with Lando Aige, while Qin Xa, Kiel, and Kharn were sent to wait elsewhere.
• Dantiok told Perturabo how his Iron Warriors had helped the 12th Legion, and Perturabo praised him before ordering him to leave.
• Angron asked Perturabo to grant the 12th Legion Novosindak V or its crystal-mining rights, and Perturabo agreed.
• Perturabo stood and demanded a fair, honorable duel from Angron.

Angron and Perturabo fought a gladiatorial duel after arguing over their pasts and the humiliation of their previous encounter. Angron defeated Perturabo and secured his agreement to hand over Novosindak V and stop punishing Dantiok, his two battalions, and the Iron Warriors he had called failures.

• Perturabo revealed a powerful weapon and challenged Angron to a fair duel, while Angron chose to fight barehanded.
• Angron dodged Perturabo's attacks, closed the distance, and used his ability to stiffen Perturabo before striking and bringing him down.
• As Angron pinned and punched him, Perturabo accused him of interfering with his command and Decimation; Angron said Perturabo had targeted him by punishing his sons to torment his conscience.
• Angron described Perturabo's hidden feelings and fears, leaving him silent and curled on the ground.
• Angron asked for Novosindak V and assurances that Perturabo would not punish Dantiok, his two battalions, or the Iron Warriors, and Perturabo agreed.

Angron ended his duel with Perturabo, who returned Angron’s modified weapons and accepted that Angron did not intend to control or manipulate him. After Qin Xa relived memories of being abandoned as a child during a blackout, Angron reunited with him and departed with the others, leaving Perturabo wondering what Angron wanted.

• Angron told Perturabo he would not treat him as an enemy but would fight back if Perturabo punished innocent people, and Perturabo returned Angron’s modified weapons.
• During a blackout, Qin Xa suffered a painful memory of being abandoned as a child while Kharn and Kiel waited with him in a dark room.
• Angron arrived, checked on Qin Xa, and explained that Perturabo’s weapon charging had caused the power outage.
• Qin Xa traded insults with Lando Aige and an Iron Warriors veteran before leaving with Angron, Kharn, and Kiel.
• Brown flew the group away in a concealed Anti-gravity Flyer, while Perturabo concluded Angron did not intend to control him and wondered what Angron wanted.

The Emperor arrived at Novosendak, ended the xenos threat on Novosindak V, and gave Angron a mission to find their brother Corax. As the Legions prepared to depart, Qin Xa planned to help Angron win over the hot-tempered Lion El'Jonson during their journey.

• The Emperor praised Angron for helping end the war, then praised Perturabo after Angron credited the Fourth Legion's work.
• The Emperor burned the remaining xenos on Novosindak V to ash and declared the planet clear for humanity.
• Angron left the Emperor with a blank psychic spellbook for Qin Xa and accepted a mission to find Corax.
• Angron ordered Kiel to prepare the Legion to depart and check that no dangerous xenos remained alive.
• Angron and Qin Xa planned to travel to Corax and deliver vehicles to the First Legion, while Qin Xa offered to teach Angron how to deal with Lion El'Jonson.

Quadrant, a Mechanicus monk, arrived to serve as the 12th Legion’s Chronicler, and Angron welcomed him. After organizing photographs with his warriors, Angron noticed Perturabo heading north with Dantiok.

• Quadrant recorded his mission to document the 12th Legion and kept a personal log honoring the deceased Chronicler.
• Qin Xa and Angron met Quadrant at the landing site, and Angron agreed to let him stay as the Legion’s Chronicler.
• Angron discovered that Quadrant could take photographs and posed with Qin Xa to commemorate the Legion’s victory on Novosindak V.
• Angron gathered the company captains and arranged group and individual photographs with the 12th Legion’s warriors.
• Angron asked Garan whether his brothers and sisters could join the photographs, but Garan said they were undergoing augmentation surgeries in their pods.
• Angron noticed Perturabo passing with Dantiok and watched them head north.

Angron and Qin Xa said farewell to Perturabo and Dantiok, then Qin Xa confronted Perturabo through a psychic afterimage about his behavior toward Angron. Perturabo admitted his faults and his need for Angron’s help, but Angron still called him a weirdo before the legions departed.

• Angron thanked Perturabo for modifying his weapons and forced him to join a photograph with Angron, Qin Xa, and Dantiok.
• Dantiok saluted Angron in farewell, and Perturabo dragged him away as the 12th Legion prepared to leave.
• Angron told Qin Xa that he would join the Great Crusade because primarchs could help humanity, while acknowledging that their actions could also harm ordinary people.
• After the 12th Legion fleet departed, Qin Xa’s psychic afterimage appeared aboard the Iron Blood and pressed Perturabo to admit his wrongdoing toward Angron.
• Perturabo confessed that Angron was unique, that he regretted causing him trouble, and that he hoped Angron would not hate or avoid him.
• Angron appeared through a Rift, called Perturabo a weirdo, and said he would avoid him next time; Perturabo kept their photograph in a castle-shaped frame with its gate lowered.

Angron brought the fleet into realspace at unclaimed System 921 and ordered reconnaissance before claiming it, while reflecting on Nuceria’s expansion onto Death Worlds. On the system’s Hive World, Qin Xa coordinated the Human Historical Research Association’s agents as they gathered intelligence and monitored the modified Gladiators aboard the flagship.

• Lottara Saling reported that the Seventh Cruiser and Navigator were safe, and Angron ordered the fleet to leave the Immaterium.
• After reaching System 921, Angron learned the system was unclaimed and ordered reconnaissance to assess it before taking control.
• Angron discussed Nuceria’s Great Expansion Movement and its people settling Death Worlds, then considered whether the fleet might fight in System 921.
• Qin Xa observed the Hive World through others while monitoring the Gladiators undergoing modification and warning the Apothecaries about potential problems.
• Qin Xa sent Theseus and more than a hundred Human Historical Research Association agents to investigate the Hive World and relay information to the fleet.

Angron rejected the Hive World's peaceful accession because its rulers exploited and slaughtered the common people, and he ordered the World Eaters to change the planet. Mago and Kharn began an operation in the Lower Hive while Qin Xa went to confront the nobles, leaving the assault ready to begin.

• Angron told the Emissary he would replace Imperial bureaucrats with officials trained on Nuceria and reform the Hive World, then ordered Kiel to arrange his intervention.
• Kiel assigned Mago and Kharn to lead the mission, and a vessel carrying Space Marines, mortal soldiers, and supplies descended toward the Lower Hive.
• Mago ordered Kharn to attack nobles holding a coming-of-age killing ceremony so they could rescue victims and win the commoners' support.
• Qin Xa arrived with Quadrant, who would record the operation, and said he would go to the Upper Hive to speak with the nobles while remaining available to assist.
• Qin Xa and his companions departed, and Mago and Kharn prepared to begin their assault.

Kharn and the Eighth Company rescued civilians while fighting Jazz’s forces in the Lower Hive. Meanwhile, Qin Xa learned how the Hive World’s ruler controlled adolescent slaves and killed the ruler and his guards before continuing to read the STC manual.

• Jazz and his hounds trapped the girl and other civilians in a Lower Hive district, but Kharn arrived with ten Eighth Company warriors and attacked them.
• Kharn led his warriors through enemy fire, protecting civilians as they cleared streets and charged the Soldiers; other Space Marines evacuated residents, and Quadrant recorded the battle.
• Qin Xa met the Hive World’s ruler, accepted an STC Template, and studied its instruction manual while the ruler tried to negotiate.
• The Olena Sisters questioned the ruler about adolescent Slaves, and he revealed that their families had taken them from their parents and told them they had been abandoned.
• Qin Xa killed the ruler and his hundred guards with a Psychic attack, then calmly continued reading.

Qin Xa and the Olena Sisters took control of the Hive World Spire while Mago and Kharn oversaw relief efforts in the Lower Hive. Mago announced that the World Eaters would destroy the planet’s oppression and warned its people to choose whether to support them or oppose them.

• The Olena Sisters debated the nobles’ coming-of-age ceremony, and Qin Xa suggested studying their shared soul before boasting about his achievements.
• Qin Xa said they would bring the Spire under control rather than immediately cleanse its nobles, and the Olena Sisters used their psychic abilities to disarm and command the soldiers and nobles there.
• Mago and Kharn walked through the Lower Hive, where Nucerian Soldiers distributed food and maintained order, and Kharn called the campaign a vacation.
• Mago asked Quadrant to confirm that the battle had been recorded and that the pacification program was ready.
• Quadrant broadcast Mago’s speech across the hives, where Mago declared that the World Eaters would devour the planet’s injustice and urged its people to choose whether to stand with them or against them.

After the World Eaters conquered the Hive World, Mago and Kharn led their companies through the surrendered city and received Angron’s commendation. Angron began preparing the world for self-governance and announced that he would reconsider the Legion’s strict rules for accepting rewards.

• Nucerian soldiers imposed martial law in the Lower Hive as Mago and Kharn led the World Eaters through the city, while Quadrant filmed and warned a frightened child to be careful.
• The surrendering soldiers and residents offered no resistance as the Space Marines entered the Upper Hive, and Qin Xa told Mago and Kharn that regular troops would take over.
• Angron met with Nucerian bureaucrats and ordered them to establish education, improve the Hive World’s environment, and create trade routes, while warning them not to impose Nuceria’s religious legends on its people.
• Kharn and Mago discussed the newly selected Nucerian warriors, the Blood Drinkers, and the possible formation of a Champion Company for warriors with unblemished Triumph Cords.
• Angron praised Kharn and Mago for the conquest, and Kiel awarded each captain a ribbon recognizing their role in freeing the world.
• Angron said the Legion’s rules for receiving commendations were too strict, and Kiel accepted that Angron intended to change them.

Mago and Kharn fought in the Arena while discussing the Legion's history as weapons and whether Angron might one day abandon them like the Thunder Warriors. Mago reassured Kharn that Angron could make his own judgments, and Kharn left the conversation thoughtful but still teasing his old friend.

• Orenst defeated a fellow warrior in a supervised duel, and the two made peace after the Apothecary reattached the loser's arm.
• Mago and Kharn entered the Arena and sparred with a spear and a Chainaxe while discussing the Thunder Warriors' purge and the Legion's role as weapons.
• Kharn questioned whether Angron might discard the Legion and replace them with Nucerian-born warriors, and Mago struck him down before answering.
• Mago told Kharn that Angron could think and make sound decisions, while explaining that Kharn's fear came from witnessing the Thunder Warriors' betrayal and slaughter.
• Kharn accepted Mago's explanation, then joked that this had been their seventh sparring match as Mago walked away.

Qin Xa, Angron, and Brown discussed how the Hive World would be transformed and whether AI could improve human governance. Remembering the future Horus Heresy, Qin Xa decided to find a tactful way to warn The Emperor or Malcador and to tell Angron what was coming.

• Qin Xa joined Angron on the Command Deck, where they reviewed the Hive World’s harsh environment and the changes Nu Star’s visitors planned to make.
• Angron said he had transferred two Storm Eagles to the Human Historical Research Association so its members could work safely on the Hive World.
• Brown argued that AI could manage human worlds far more efficiently, while Angron and Qin Xa reminded him that the Iron Rebellion had led the Imperium to ban AI.
• Angron said the Primarchs had never rebelled, and Qin Xa privately worried about how that claim would sound if the Horus Heresy still occurred.
• Qin Xa promised Angron he would gradually share the truth about the future and decided to find a tactful way to warn The Emperor or Malcador so the 12th Legion could prepare.

Qin Xa prepared the Twelfth Legion to rendezvous with the First Legion and formed a special squad for recovering relics and handling supernatural incidents. Olya chose a name of her own after clashing with her sister, and joined Qin Xa’s new team.

• Qin Xa told Nisha Andrasta to prepare for the fleet’s new destination, then noticed the psychic pendant she carried.
• Kleist visited her brothers in the medicae ward, and Apothecary Garan reassured her that Yochula would not necessarily become cold and cruel after his modifications.
• Olena confronted her younger sister over taking Nisha’s glove, and the sisters argued about their independence before parting angrily.
• Qin Xa met Olena’s younger sister, who declared that her name was Olya, and recruited her and her sister into a special squad with Brown and Quadrant.
• Qin Xa explained that the squad would recover ancient relics and respond to supernatural incidents, then complimented Olya’s gloves.

Angron met Lion El'Jonson, received half the armored vehicles meant for the First Legion, and welcomed roughly forty thousand returning warriors of the 12th Legion. After learning they had fought in the Second Rangdan War, Angron vowed to lead them against the Rangdan in the future.

• The 12th Legion fleet reached the First Legion's rendezvous, and Angron asked to meet Lion El'Jonson aboard the flagship.
• Lion met Angron, praised his strength, and gave half the armored vehicles to the 12th Legion.
• Around forty thousand 12th Legion warriors returned from service with the First Legion, including former legion commander Lork in a Dreadnought.
• Angron absorbed the pain of the Dreadnought occupants and learned that they had fought in the Second Rangdan War.
• Angron promised the returning warriors he would lead them in the next Rangdan War and fight until the empire was destroyed.

Angron laid out new traditions and rules for the 12th Legion and defended his plans to a warrior who believed they betrayed the Emperor’s purpose. The chapter ended with Angron identifying other Legionaries who shared Hal’s views and leaving their place in the Legion to his own judgment.

• Angron introduced the Triumph Cord tradition and ordered that duels be supervised so neither combatant died; he also appointed Qin Xa to oversee the Librarian corps.
• Angron announced the Thirty-One Rule, forbidding the Legion from slaughtering without distinction, and Hal challenged the change from conquerors to rescuers.
• Angron allowed Hal to question him and explained that he had rebelled against oppression on Nuceria and believed his orders served the Emperor’s goal of saving humanity.
• Hal accepted Angron’s authority, reasoning that the Emperor had ordered warriors to obey their Primarch.
• Angron looked across the Legion and recognized others who shared Hal’s loyalty to the Emperor, considering them tools whose purpose depended on how he used them.

Qin Xa established the White Knight as the 12th Legion’s Librarian force and made the gifted Cruiser its base. As the fleet prepared to enter the Immaterium, he assured Angron that he could guide the ship without a Navigator.

• The First Legion departed and left the Cruiser with the 12th Legion, and Qin Xa named the ship White Knight.
• Qin Xa learned that Mago would take ten companies back to Nuceria and declined his offer to help find a Navigator.
• Qin Xa inspected the ship’s new Library, where the Librarians gathered under his command.
• Qin Xa renamed the 12th Legion’s Librarian force the White Knights and assigned them duties in supernatural incidents, war, and the recovery and protection of knowledge and Ancient Artifacts.
• Angron discussed expanding the Librarian force while screening prospective Psykers, and Qin Xa agreed that the ship could travel without a Navigator.
• As the Geller field and Warp Engine charged, Angron headed to the Resolute Determination and Qin Xa went to the Command Deck to pilot the White Knight through Immaterium travel.