Chapter Summaries

Abaddon led a boarding assault on the Glory of Macragge, believing he could kill Robert Guilliman and break the Imperium. After storming the ship with little resistance, he cut down Ultramarines and advanced toward the command bridge to confront Guilliman.

• Abaddon ordered the Black Legion to break through the final defensive line and attack the Glory of Macragge.
• The Vengeful Spirit suppressed the Glory of Macragge's Void Shield, allowing Chaos assault craft to breach the ship.
• Abaddon boarded the Glory of Macragge with his elite forces and suspected the easy assault might be a trap.
• Abaddon charged through the ship, killing Ultramarines with his sword and declaring that the age of Primarchs was over.
• Abaddon headed toward the command bridge, calling for Guilliman and vowing revenge.

Abaddon led the Black Legion through the flagship, using Nurgle’s plague and the Chaos Sorcerers’ witchcraft to overwhelm the Ultramarines. He pushed toward the bridge, intent on killing Guilliman and avenging Horus.

• Abaddon ordered the Black Legion to attack the Ultramarines Third Company, whose Heavy Bolters could not break the Chaos Terminators’ armor.
• Abaddon changed tactics, having the Terminators shield the Chaos Sorcerers while they prepared their witchcraft.
• The Chaos Sorcerers unleashed psychic lightning and Nurgle’s plague, corroding the Ultramarines’ armor and weapons and infecting their bodies.
• The Black Legion’s Terminators swept through the weakened defenders and opened a path toward the bridge.
• Abaddon declared that Guilliman was on the bridge and vowed to kill him and hang his head from the warship.

Abaddon led the Black Legion through what he believed was a rout of the Ultramarines, convinced Guilliman was hiding and afraid. The bridge became a trap, leaving Abaddon and a handful of elites surrounded by disciplined Ultramarines in Terminator armor.

• Abaddon ordered the Black Legion to pursue the fleeing Ultramarines toward the bridge, dismissing them as weak and cowardly.
• The Black Legion slaughtered the Ultramarines who surrendered, while one warrior noticed that nearly all of them had dark skin.
• Heavy adamantium gates slammed shut, trapping Abaddon and a few elite warriors in the bridge hall and cutting them off from the rest of the Black Legion.
• Hidden openings revealed an advancing formation of Ultramarines in Tactical Dreadnought Armour, armed with Assault Cannons.
• Abaddon ordered his warriors to form a circle and attack, but the Ultramarines held their ranks and countered with disciplined fire.

Abaddon and the Black Legion were trapped aboard the warship as Guilliman’s Ultramarines launched a coordinated assault. Abaddon fought through them and demanded that Guilliman face him, and the chapter ended with Guilliman appearing before him.

• Guilliman’s forces sealed the bridge’s exits and trapped the Black Legion between the bulkhead doors and ambushing attackers.
• Ultramarines poured from hidden passages and focused their attack on Abaddon, forcing his guards to shield him from heavy fire.
• An Ultramarine champion charged Abaddon, but Abaddon defeated him and drove back the Terminators behind him.
• Abaddon unleashed Draconis and carved through the Ultramarines as he angrily called for Guilliman to appear.
• Guilliman emerged from a hidden passage and asked Abaddon if he had wanted to see him.

Guilliman revealed that Abaddon’s apparent victories had been engineered with help from Alvin, then confronted him aboard the ships. Guilliman sentenced Abaddon to death and launched a direct attack, leaving their battle raging.

• Abaddon realized Guilliman had used supposed Ultramarine recruits as bait and accused him of sacrificing them.
• Guilliman explained that the people were slaves supplied by Alvin from Wakanda, not Space Marine recruits.
• Guilliman revealed he knew Abaddon planned to ram the Vengeful Spirit into the Glory of Macragge and declared that Abaddon’s rebellion would end.
• Guilliman sentenced Abaddon to death and struck with the Emperor’s Sword, whose light drove back the power of Draconis.
• Abaddon blocked Guilliman’s attack with Draconis, and their clash unleashed a destructive shockwave across the surroundings.

Guilliman overwhelmed Abaddon in a duel, shattering his confidence and proving that the resurrected Primarch was far stronger than he had expected. The fight continued as Abaddon called Guilliman nothing special, leaving the Primarch furious.

• Guilliman's Emperor's Sword burned Abaddon and cracked his Demon Sword, Draconis, as their blades clashed.
• Guilliman cut down Black Legion Terminators who rushed to protect Abaddon, giving Abaddon a moment to recover.
• Abaddon attacked again, but Guilliman's powerful swing nearly notched Draconis and cracked Abaddon's Terminator Armour.
• Abaddon realized he had gravely underestimated Guilliman, who mocked his confidence and reminded him that he was still a Primarch.
• Abaddon shouted that Guilliman was nothing special, and Guilliman darkened with anger.

Guilliman overpowered Abaddon in a duel, and the Chaos Warmaster faced imminent death until the Black Legion sacrificed itself to disrupt the Primarch and open an escape route.

• Abaddon taunted Guilliman, who charged him in fury and forced him to abandon his Demon Sword.
• Guilliman struck Abaddon's Claw of Horus with his holy sword, engulfing him in golden flames that weakened his Chaos power.
• The holy sword cracked the Claw of Horus, leaving Abaddon terrified and close to death.
• Abaddon's adjutant charged Guilliman and sacrificed himself to disrupt the Primarch for a moment.
• A Chaos Sorcerer detonated plague spores as the Black Legion's Champions attacked Ultramarines and obscured the battlefield to help Abaddon escape.

Guilliman cut through the Black Legion’s defenders as Abaddon fled, then cornered the Warmaster behind adamantium blast doors sealed against Chaos Sorcery. Abaddon faced Guilliman with no apparent way out.

• Guilliman rallied the Ultramarines and pursued Abaddon through the poisonous fog.
• A Chaos Lord and a Khorne Champion sacrificed themselves to delay Guilliman, but he killed both with the Emperor’s Sword.
• Guilliman slaughtered the Black Legion’s veterans as Abaddon fled, vowing to kill him another day.
• Guilliman and the Ultramarines drove Abaddon into a sealed area, where adamantium doors smeared with Blank ashes blocked his escape.
• Guilliman advanced on the trapped Abaddon, who wondered whether he would die there.

Abaddon escaped Guilliman’s assault after the surviving Black Legion sorcerers sacrificed themselves to buy him time. He fled into the Warp behind a Chaos veil, swearing revenge on Guilliman and the Imperium.

• The surviving Black Legion sorcerers sacrificed themselves to attack Guilliman, giving Abaddon a chance to recover.
• Abaddon tore open the adamantium bulkhead with the Claw of Horus and ordered the Black Legion to retreat through the breach at K-7.
• Guilliman and the Ultramarines and Sons of the Forest tried to stop Abaddon and the fleeing Black Legion forces.
• Abaddon crushed Tzeentch’s Crystal-encrusted skull, creating a Warp veil that blocked the defenders’ attacks and covered the Black Legion’s escape.
• Abaddon vanished into the blasphemous fog after threatening to return and destroy Guilliman, the Imperium, and the False Emperor.

Guilliman failed to stop Abaddon from escaping through a Warp Rift protected by Tzeentchian mist. Just as Abaddon proclaimed that nobody could kill him, Alvin Valshius ambushed him, leaving Abaddon shocked to find him aboard the Glory of Macragge.

• Guilliman charged through Tzeentchian mist with the Emperor’s Sword, but the fog repelled his attack and forced him back.
• Abaddon taunted Guilliman as the last Chaos Sorcerer’s spell opened a Warp Rift for the Black Legion to escape.
• Abaddon boasted that no one could kill him, until a pitch-black blade emerged from the mist and struck at his neck.
• A Terminator bodyguard shoved Abaddon aside and took the blade’s shallow cut, but the wound widened and severed his head.
• Abaddon recognized Alvin Valshius as his attacker and demanded to know how he had reached the Glory of Macragge.

Alvin cut through the barrier separating Guilliman from Abaddon, allowing Guilliman to turn the battle against the Chaos Marshal. Just as Guilliman was about to kill Abaddon, a strange figure appeared, blocked the Emperor’s Sword, and greeted him as a brother.

• Alvin failed to touch Abaddon with his fate-severing blade, then cut open the barrier with several swings.
• Guilliman charged Abaddon, knocked him down, and ordered Calgar to finish off the Black Legion.
• Alvin distracted the exhausted Abaddon with a Psychic Impact, giving Guilliman an opening to strike with the Emperor’s Sword.
• A purple-armored figure appeared between Guilliman and Abaddon and blocked the killing blow.
• The stranger greeted Guilliman as his brother and called him the “Perfect Primarch” Robert Guilliman.

Fulgrim appeared aboard the battleship and confronted Guilliman, mocking him and trying to tempt him into joining Chaos. Guilliman refused and attacked, while Fulgrim’s reality-warping presence gave the wounded Abaddon and the Black Legion time to recover.

• Fulgrim appeared and rescued Abaddon as Guilliman recognized his former brother and remembered his betrayal.
• Guilliman attacked Fulgrim with the Emperor’s golden flames, but Fulgrim’s purple radiance turned them aside.
• Fulgrim taunted Guilliman and urged him to abandon his rules and join Chaos.
• Guilliman rejected Fulgrim’s offer and thrust his sword at him.
• Fulgrim blocked Guilliman’s attack with his crystal dagger, and the two Primarchs clashed as Abaddon and the Black Legion recovered.

Abaddon tried to escape the Glory of Macragge as Guilliman fought Fulgrim, who blocked Guilliman’s attempt to kill him. Guilliman then told Alvin to pursue Abaddon, leaving Alvin stunned at the prospect of fighting him.

• Abaddon ordered the Black Legion to retreat and hurried toward a landing site as his fleet attacked the Glory of Macragge.
• Fulgrim mocked Abaddon’s escape and blocked Guilliman’s sword strike, keeping the Primarch from pursuing him.
• Fulgrim taunted Guilliman about their former comradeship and accused the Emperor of using them as tools.
• Guilliman gave up arguing with Fulgrim and told Alvin to go after Abaddon while he held Fulgrim off.
• Alvin was dumbfounded that Guilliman expected him to fight Abaddon.

Alvin confronted Abaddon as the Chaos Marshal tried to escape toward Area K-7, while Guilliman kept Fulgrim occupied. Alvin revealed that he had Draconis, the Daemon Sword granted to Abaddon by the Four Gods, and prepared to face him without Atropos.

• Alvin realized the danger Abaddon posed and heard Guilliman order him to stop the Warmaster before he escaped.
• Abaddon led the Black Legion toward Area K-7, where their ships waited, but Alvin blocked his path.
• Alvin challenged Abaddon and claimed he could kill him without Guilliman's help.
• Abaddon dismissed his Terminators' offer to assist and advanced on Alvin alone.
• Alvin put away Atropos and pulled Draconis from his Personal Space, shocking Abaddon.

Alvin took Draconis from Abaddon and discovered that the Demon Sword answered to him instead of its former master. He taunted Abaddon until the Warmaster abandoned his guards and chased him, while Fulgrim and Guilliman watched.

• Alvin picked up Draconis and mocked Abaddon by treating the Demon Sword carelessly.
• Alvin enlarged his body with psychic power and struck Abaddon back when he tried to reclaim the sword.
• Abaddon called for Draconis, but the sword ignored him and answered Alvin instead.
• Alvin wielded Draconis's black flames and taunted Abaddon until he lost control.
• Abaddon charged after Alvin despite his adjutant's warning, and Fulgrim asked Guilliman whether Alvin had always been so vicious with his words.

Abaddon cornered and overpowered Alvin, but Alvin used the Mirror Dimension to trap him and reveal that he had lured Abaddon away for a reason. Thor then entered the dimension to face Abaddon.

• Abaddon chased Alvin into a ship's cabin while the Black Legion kept the Ultramarines from reaching them.
• Abaddon overwhelmed Alvin and threatened to torture him, but Alvin stayed calm and taunted him.
• Alvin used the Mirror Dimension to stretch the distance between himself and Abaddon, stopping Abaddon's attacks and trapping him in warped space.
• Alvin explained that he had lured Abaddon away to avoid the Primarch's notice, then opened the dimension and called for Thor.
• Thor arrived through the rift, introduced himself as the God of Thunder, and prepared to fight Abaddon.

Alvin revealed that he had prepared for the Chaos Gods’ interference by bringing Thor and three thousand Thunder-Forged Heavenly Soldiers into the Mirror Dimension, where the Warp could not reach them. With Thor attacking Abaddon, Alvin set out to eradicate the Black Legion.

• Alvin had secured Odin’s help, and Odin sent Thor and three thousand Thunder-Forged Heavenly Soldiers to battle.
• Alvin explained that he had anticipated the Chaos Gods would try to protect Abaddon and prepared backup plans, including trapping him in the Mirror Dimension.
• Alvin told Abaddon that the Chaos Gods could not interfere inside the Mirror Dimension, and Abaddon rejected his explanation and charged at him.
• Thor struck Abaddon with Mjolnir, smashing through his armor and hurling him through several metal walls.
• Alvin left Abaddon to Thor and took the Thunder-Forged Heavenly Soldiers to destroy the Black Legion.

Alvin left Abaddon in the Mirror Dimension with Thor, who proved vastly stronger than the Chaos Marshal. After Abaddon’s attacks failed to hurt him, Thor beat Abaddon to death and left only his head intact.

• Alvin left the Mirror Dimension, confident that Abaddon could not escape while Thor remained behind.
• Thor challenged Abaddon to attack, and Abaddon charged with the Claw of Horus.
• Abaddon’s strike failed to pierce Thor’s neck, leaving Abaddon stunned as Thor mocked his strength.
• When Abaddon questioned whether Thor was human, Thor angrily slapped him and insisted that he was.
• Thor stomped Abaddon into a crater and punched him until his armor and body were crushed, leaving only his head intact.

Alvin used the Bifrost to board the Vengeful Spirit and unleashed the Thunder-Forged Heavenly Soldiers against the Black Legion. As they overwhelmed the Chaos forces aboard the flagship, Alvin turned his attention to the Glory of Macragge, determined not to let Fulgrim escape.

• Alvin used the Bifrost to open a portal through the Vengeful Spirit's Void Shield and step aboard the flagship.
• Alvin summoned the Thunder-Forged Heavenly Soldiers, warriors created with Asgardian technology and Warhammer biological implantation techniques.
• The Thunder-Forged Heavenly Soldiers charged through the Vengeful Spirit, using their rune-forged weapons and shields to crush the Chaos Space Marines.
• Alvin watched the assault and concluded that the Thunder-Forged Heavenly Soldiers surpassed ordinary Space Marines.
• Alvin turned toward the Glory of Macragge and resolved to pursue Fulgrim.

After Alvin announced that he had killed Abaddon, the Black Legion faltered and Guilliman confronted Fulgrim, who tried to retreat. Alvin and Guilliman stopped Fulgrim from escaping, and Fulgrim claimed that the Emperor was using Alvin to drive humanity toward extinction.

• Fulgrim learned that Abaddon had been killed, while Alvin broadcast the news and Guilliman praised him.
• Abaddon's death shattered the Black Legion's morale and strengthened the Imperium's forces.
• Fulgrim told Guilliman that the Imperium would eventually fall and began withdrawing into the Warp.
• Alvin disrupted Fulgrim's escape and attacked him with Atropos as Guilliman struck from the front.
• Fulgrim blocked both attacks, suffered a scar, and revealed that the Chaos Gods had told him about Atropos.
• Fulgrim claimed the Emperor was using Alvin and that Alvin's actions were accelerating humanity toward extinction.