Chapter Summaries

Nearly two years after leaving, Arthur and Romulus returned to the Dawn Sector, where the Governor had restored order and begun extensive construction. Arthur recounted the Dark Angels and Lamenters’ campaign against Octarius and Ullanor Prime, then resumed work in the Dawn System while Karna and Ramesses enjoyed a meal.

• The Governor cleared the Dawn Sector’s backlog and began building shipyards, space fortresses, and other defenses while Arthur remained away.
• Arthur returned with three Chapters after stabilizing the Maelstrom Sector, leaving the Ghoul Stars investigation to Cawl, Trazyn, and the Science Hub.
• The Lamenters and Dark Angels attacked Octarius, destroying greenskin worlds with Exterminatus to weaken the Ork empire before Leviathan’s future invasion.
• Arthur reported that the Dark Angels had struck Ullanor Prime but could not confirm whether Ghazghkull Mag Uruk Thraka had died.
• Romulus asked Arthur about the Ashen Claws’ assimilation plan and discussed supply arrangements for the Feast of Blades as both men continued working.
• Karna gathered the returned brothers for a meal, and Ramesses enthusiastically ate the food beside the work-focused Arthur and Romulus.

Romulus and Ramesses discussed the difficulties of building a wormhole model, which required more Warp data than Azure Star could efficiently process. With a preliminary model projected to take a century, Romulus faced delays to his plans for transportation and governing the Dawn Sector.

• Romulus stopped Ramesses from eating and asked about the wormhole model, but Ramesses said its many variables made it difficult to solve.
• Romulus explained that Azure Star had asked them to compress the Warp portion of the model and needed Ramesses to supply more Warp data.
• Ramesses described how daemon countermeasures had reduced his daemon-catching efficiency, while other Warp researchers and civilizations had yet to provide a reliable solution.
• Romulus estimated that constructing a preliminary model would take one hundred years even with a physical sample.
• Romulus concluded that the delay threatened his plans to govern more worlds and develop efficient transportation, while the Lamenters were too unpredictable to serve as a reference.

Ramesses persuaded Corvus Corax to lead the souls of the Super Raven Guard in a Warp patrol force. Corvus accepted the invitation, and Ramesses began preparing to gather the souls and set up a place for them to operate.

• Ramesses decided that the group needed to act against the Chaos Gods sooner and contacted Corvus Corax with a proposal.
• Ramesses offered to extract the Super Raven Guard souls from Old Man Gold so Corvus Corax could lead them in containing Warp Demons.
• Corvus Corax silently considered the offer as he watched Ramesses and his companions, then accepted after Ramesses personally begged for his help.
• Ramesses began preparing to retrieve the souls and establish an activity area for Corvus Corax and his sons.
• Romulus, Arthur, and Karna praised Ramesses, while Karna finished his drink and took another cup.

Romulus inspected the Forge of Burning Stars, where the Iron Blood was being restored and a new Gloriana-class Battleship, the Dawn, was under construction. He approved rigorous trials for the ship and left the Lamenters preparing to test it under the safety standard named in their honor.

• Romulus toured the shipyard and observed the Iron Blood's restoration alongside construction of the new battleship's keel.
• Romulus considered how Forge Worlds and industrial production supported the Dawn Sector's fleets and security.
• Cawl's clone reported that the Dawn's keel was finalized and that Macragge's Honour had been used as its design reference.
• Cawl's clone proposed having the Lamenters test the ship's components, and Romulus approved their involvement within two weeks.
• Romulus reflected on how Arthur had established the Lamenters standard, which had delighted the Chapter and given them safety tests to conduct.

Titus defeated Helvard Strom in the first War of Naming and received the champion’s armor amid a vast celebration. Romulus then planned to use the Dawn Sector’s next thirty years of relative safety to prepare for looming wars, while Arthur began constructing the Centaur Project.

• Titus endured a long, poisoned duel and defeated Helvard Strom to become champion of the first War of Naming.
• Arthur presented Titus with unique armor bearing the words “Soul of Struggle,” and Titus raised his sword for humanity before the cheering crowd.
• Arthur considered using the celebration to draw Chapters into contact and reform those he judged troublesome.
• Romulus estimated that the Dawn Sector had thirty years before major threats arrived and organized plans for military, industrial, educational, and diplomatic development.
• Romulus prioritized preparing to confront Leviathan, Commorragh, and the Orks, and to bring about Roboute Guilliman’s awakening.
• The Invincible Iron Guard watched as the Governor began a new construction project called the Centaur Project.

In 816.M41, young Sebastian Yarrick spoke with Tu'Shan on peaceful Armageddon, where he envied the glory of war but worried that the Steel Legion's soldiers were growing inexperienced. Tu'Shan urged him to value the stable years, leaving Yarrick still concerned about whether peace would weaken the troops.

• Yarrick listened to reports about galactic events and switched off the recording when Tu'Shan approached.
• Tu'Shan sat with Yarrick, who admitted that he envied warriors but could not abandon his duty as a Planetary Defense Force Commissar.
• Tu'Shan reminded Yarrick that Armageddon's peaceful years were worth cherishing, and Yarrick recalled surviving an Ork invasion as a boy and later studying at the Schola Progenium.
• Yarrick watched soldiers drill and worried that troops without real battlefield experience would lose their edge.

Yarrick and Tu'Shan discussed whether peace could strengthen humanity before an emergency assembly revealed a massive Ork threat and a wider crisis across the Milky Way. As Armageddon sought reinforcements and learned that neighboring sectors were also under attack, a weighty document arrived at The Governor's desk in the Dawn System.

• Tu'Shan told Yarrick that it was too soon to know whether humanity could endure peace, given how Salamanders were still forged by brutal trials.
• Yarrick reviewed newly distributed Xenos reports, locked them away, and prepared his Planetary Defense Force for tactical drills.
• An emergency assembly sounded, and Tu'Shan urged Yarrick and his soldiers to remember the strength that peace could give them before departing.
• The Armageddon Steel Legion mobilized as the sector fleet reported extensive Ork activity across forty-three planets and more than eighty border outposts.
• The Fleet Admiral learned that surrounding sectors also needed reinforcements, while notices described widespread Ork, Tyranid, Necron, and Chaos activity across the Milky Way.
• On August 8, 816.M41, a weighty document carrying countless lives reached The Governor's desk in the Dawn System.

Romulus kept the Dawn Sector’s forces in place as a Warp-tainted plague ravaged its worlds and trapped its defenders in a mounting internal crisis. In Wolumund’s quarantine zone, Karna arrived and began healing the infected.

• Romulus ordered that Macragge and Baal remain undefended no longer, directing Calgar and Dante to recall their Chapters and protect the fortress worlds.
• Romulus identified the plague spreading across the Dawn Sector as the crisis holding its Primarchs, fleets, and Legions in place.
• On Wolumund, the plague overwhelmed factories, the orbital fleet, and quarantine zones, where patients suffered horrific symptoms and many died.
• Medical workers and Sisters of Battle struggled to care for the infected, though ordinary treatment could not cure the Warp-tainted disease.
• Karna took the blind old man’s hand, and he and the nearby injured people began to recover miraculously.

Karna comforted plague-stricken civilians and promised to fight for their survival as the outbreak continued across the Dawn Sector. After learning that a Blackstone Array had worsened the plague, he prepared to join the dangerous effort to find and kill the Greater Daemon behind it.

• Karna healed the patients’ symptoms temporarily and urged them to live and hold on to hope while medical staff expanded quarantine and prepared treatment.
• Tycho reported that the plague marks remained limited to Herpes, Tear Plague, and Dengue Fever, and Karna ordered the findings sent to Romulus and the Grey Knights through the Spirit Net.
• Phoros told Karna that Chaos had reversed the Blackstone Array, worsening the outbreak and bringing Nurgle Plague Walkers into the test zone.
• Karna learned that the Grey Knights and Lord Ramesses were using the illnesses to locate the Greater Daemon spreading the plague in the Warp.
• Karna insisted the battle had to be fought, then left aboard the Stormbird and vowed that the enemies responsible would die.

Arthur addressed the incoming students at Dawn Star National University, urging them to use their abilities to help fellow citizens, rely on one another, and pursue practical ideals. He ended the ceremony by entrusting humanity’s future to them and leading them in a cheer for humanity.

• At Dawn Star National University, Arabella completed the opening ceremony and yielded the podium to Arthur.
• Arthur congratulated the freshmen and reminded them that their talents and education should serve citizens who had fewer opportunities.
• Arthur urged the students to acknowledge their weaknesses, depend on one another, and cherish the chance to shape themselves at the academy.
• Arthur called on future scientists, Imperial Navy officers, and Astartes to prepare themselves for their respective duties.
• Arthur raised his sword and shouted “For humanity,” and the freshmen answered with a thunderous cheer.

Arthur returned to the garrison after witnessing the aftermath of an armed sweep, then met with Azrael and the other commanders to assess the plague crisis. After learning the system was stable and a Greater Daemon of Nurgle was active in the Warp, he refused to enter a Chaos God's domain.

• Arthur watched refugees mourn the dead as Astartes and stormtroopers advanced into the swept area to secure samples, locate a target, and evacuate survivors.
• Arthur arrived at Ironwing's garrison, where Azrael and the assembled military representatives saluted him before he took the central seat.
• Azrael reported that the Dawn System's epidemics were contained and research teams were ready, while Sammael and Gareth remained deployed on other fronts.
• Kaldor Draigo reported that several diseases were spreading through harsh war zones and that a Greater Daemon of Nurgle was operating in the Warp.
• Arthur declared that the interference would soon end, then told Draigo he would not enter a Chaos God's domain.

Tail Plague expanded Nurgle’s plague domain while Magnus and Mortarion planned to spread the God-Blight closer to Macragge before the Wings of Dawn could stop them. As Tail Plague resumed stirring its cauldron, an unseen presence watched it and then silently departed.

• Tail Plague protected nearby Nurglings from falling into its cauldron and continued expanding its domain under pressure from the Dawn Sector.
• Magnus taunted Mortarion about the Dawn Fleet, and Mortarion declared that the Wings of Dawn would soon face consequences.
• Magnus urged Mortarion and Ku'gath to hurry the God-Blight’s progress so Guilliman could witness the loss of his legacy.
• Mortarion said the Ultima Segmentum’s vast distance meant the Wings of Dawn could not reach Macragge in time, then vanished to find Ku'gath.
• Tail Plague sensed the unseen presence that had haunted it, resisted its fear, and resumed stirring the cauldron as an invisible raven silently departed.

Ramesses spoke with Corax about the Codex Astartes, the returning Chapters, and Corax’s reluctance to meet his descendants. Corax agreed to join their cause but stayed with the mortals and Astartes in the military camp while Ramesses went to speak with the returning forces.

• Corax asked Ramesses what he thought of the Codex Astartes, and Ramesses joked that he read it while using the toilet.
• Corax admitted he disliked the Ashen Claws and Carcharodons and asked Ramesses to speak with them instead.
• Ramesses explained that the Sector had moved beyond old grudges and pointed out how its people could discuss Imperium Secundus openly.
• Corax watched humans and Astartes resting together, then told Ramesses he trusted them and would take part in their cause.
• Ramesses left Corax at the military camp and told him to wait for his return.

Trazyn delivered the Anti-Plague Array to the Carcharodons and reflected on the plague’s devastation and the threats surrounding the Dawn Sector. After Ramesses returned from meeting the Carcharodons and Grey Claws, he paid Trazyn with a Blackstone Rune, whose use prompted a strange chant in Trazyn’s mind.

• Ramesses led his party through the plague-stricken Dawn Sector to the Carcharodons, while Trazyn considered how the outbreak had halted the Imperium’s war machine.
• Trazyn noted that the Carcharodons had departed with their supplies and explained to Titus that their improved mood came from their father’s return.
• Ramesses said the Carcharodons and Grey Claws had received Corvus Corax’s guidebook on Grey Blindness as a sacred relic.
• Ramesses explained that he had severed the Carcharodons’ Librarian network before entering the Garden of Nurgle, to protect them from the plague spreading through psychic connections.
• Ramesses gave Trazyn a Blackstone Rune as payment, and a chant began echoing in Trazyn’s mind as he accepted it.

Ramesses and Arthur prepared the Warp Probe for its first strategic deployment as the Imperium finalized its plans for the Warp Plague War. Arthur ordered the main force to move to the Dawn System, while the Grey Knights and Adeptus Custodes worried about the risks of entering the Warp.

• Trazyn returned with a Blackstone planet to serve as the Warp Probe after receiving an order from Romulus, leaving further tests to Ramesses.
• Ramesses warned Trazyn against collecting Warp-related objects, but Trazyn dismissed the concern.
• Ramesses returned to Arthur with Grey Knights and confirmed that the Warp Probe tests were complete and that Corvus Corax would accompany him once Karna was in position.
• Diego asked whether the forces should wait before entering the Warp, while the Grey Knights and Adeptus Custodes voiced concern about risking Ramesses and the other leaders.
• Ramesses gave Diego a copy of the Grey Knights' Final Edict and told the Grey Knights to improve their skills through practical combat.
• Arthur declared that further delay would only increase pressure and ordered the main force to assemble at the Warp Probe thirteen light-years beyond the Dawn System's Mandeville Point.

On Chronos Key Planet, Ramesses defended the Dawn Sector’s use of Warp power and reprimanded the Adeptus Custodes for their dwindling numbers and resources. He assigned Webway War veterans to guard the probe passage against Demons, while the remaining forces continued their tests and awaited Arthur’s orders.

• Kaldor Draigo and the Adeptus Custodes surveyed Chronos Key Planet’s blasphemous Warp facilities as an Aeldari Farseer briefed the Grey Knights on preventing Warp incursions.
• Ramesses handed out manuals and argued that the Emperor had also used the Warp to solve problems, leaving the Grey Knights, Adeptus Custodes, and Sisters of Silence dismayed.
• Ramesses criticized Shield-Captain Marcus and the Imperium for allowing the Adeptus Custodes to dwindle to just over two thousand, and Marcus apologized.
• Ramesses ordered the Adeptus Custodes veterans who had fought in the War of the Webway to lead teams with Dark Angels mechanized troops and seal the probe passage against Demons.
• Ramesses told the remaining forces to continue their adaptation tests and await Arthur’s orders.

Arthur and Aglaia discussed faith and the reality of Chaos as preparations began for a major operation on Chronos Key Planet. Arthur activated a new domain and rallied the assembled forces to launch an offensive that would reverse the Imperium’s long retreat against Chaos.

• Arthur and Aglaia walked with the young apprentice through the military control zone and discussed the strange signs of hope surrounding them.
• Aglaia explained that demons and gods truly existed, making faith a source of both comfort and danger for humanity.
• Arthur gave Aglaia an order for the apprentice, who joined the Psykers heading to their assigned positions.
• Arthur unfolded an invisible domain around Chronos Key Planet as forces prepared to defend the coming breach and the Eternal Burning Wings fleet arrived.
• Arthur activated the tower with his blade and called on the warriors to take up arms and advance against Chaos.

Wings of Dawn’s forces entered the Garden of Nurgle on Chronos Key Planet and launched an assault led by Karna. The attack reached Tail Plague, whose shield failed against a blazing meteor as the Greater Daemon faced the charging warriors.

• Astra Militarum forces, the navy, and other allies gathered across the Dawn Sector to surround Chronos Key Planet and prepare for the outcome of its emergence.
• Titus and the warriors inside Chronos Key witnessed the planet’s rift open onto the Garden of Nurgle, where the oppressive silence began eroding their courage.
• Karna stepped into the swamp and encouraged the warriors, while Arthur and Ramesses planned to draw the Tear Plague Greater Daemon’s attention and help Old Nineteen act.
• A blazing meteor broke through the barrier, and Karna led the warriors in an attack as the banners of Wings of Dawn shone with the power of faith.
• Tail Plague raised a shield of decayed wood and yellow fluid against the meteor, but it was crushed as human forces charged toward him.
• The meteor struck the ground in the Garden of Decay, leaving Tail Plague horrified.

Human forces and Aeldari Titans devastated Tear Plague Swamp, forcing Tail Plague and the surviving Nurgle Daemons to flee toward Grandfather's castle. As they neared it, silver psychic chains seized a Great Unclean One and dragged it into the forest, where it was killed.

• Human artillery and Aeldari Titans unleashed a massive assault on the Garden of Nurgle, killing demons and destroying Tail Plague's cauldron.
• Tail Plague survived the bombardment, rallied the demons around him, and ordered them to flee toward Grandfather's castle.
• Grey Knights and their forces pursued the fleeing demons as tanks and a Seraph attacked the survivors.
• Tail Plague led a vast tide of Nurgle Daemons hundreds of kilometers from the burning swamp toward the castle.
• Silver chains seized a Great Unclean One near the castle and dragged it into the forest, where it died as Tail Plague listened.

Ramesses and the Emperor’s forces invaded Nurgle’s Garden, forcing Nurgle’s daemons into a battle against the Wings of Dawn and their allies. As the fighting turned into a stalemate, Tail Plague realized he was going to die.

• Ramesses and the silver-gray knights entered Nurgle’s Garden, while the Emperor held back the main force and prepared further reinforcements.
• Tail Plague recognized Ramesses, and Nurgle chose to defend his territory as the human forces pressed into the Garden.
• Gabriel Seth led the Tears of the Angel against the daemons as Space Marines, mortal soldiers, and other warriors fought through the flames and rot.
• Titus and Hal joined the assault, while the Shadow Lord and the Flock of Ravens killed Herpes Simplex, permanently ending his control over his plagues.
• As the battle continued, Tail Plague shifted from offense to defense and ordered his surviving daemons to retreat into a tighter formation.
• By the seventh minute, the battle had reached a stalemate, and Tail Plague realized he would die.