Recaps

As the veil shattered and daemons flooded into the galaxy, the Emperor succumbed to the Golden Ark Core and became the Dark Emperor. Lin Fan set out to find a way to stop him, while Lion El'Jonson turned on Perturabo and Cadia’s defenders faced a desperate fight against the Men of Iron.

• Vect pulled the final Cronesword from Biel-Tan, and Ynnead broke free from Slaanesh’s toy chest as the five swords fused.
• Ynnead killed the part of Slaanesh tied to the Aeldari, while Cegorach and the Deceiver’s schemes helped shatter the veil between the Warp and the material universe.
• Isha swallowed Slaanesh’s essence, and Cegorach gave Lin Fan books from the Black Library that revealed the Emperor’s coming fall and Isha’s transformation.
• Tzeentch gathered Nurgle and Khorne against the Subjective One, while the Deceiver unleashed the Tyranids and the Galaxy Collapse Index rose.
• Warp breaches spread across the Imperium as Big Canteen’s defenders fought daemons, Guilliman organized defenses around the Trees of Life, and the T’au and other forces faced threats on their own fronts.
• The Golden Ark Core reached Terra, and the Emperor became the Dark Emperor after leaving the Golden Throne and confronting it.
• Valdor briefly recalled Neoth’s humanity, but Lion El'Jonson attacked Perturabo after Tzeentch’s vision misled him, while Lin Fan went to Mortarion’s fleet to reclaim Drach'nyen.
• Lin Fan reshaped Drach'nyen into a Crucible and headed to Cadia, where Jon and White watched Booker prepare to use a T-Series Life Vaccine against the advancing Men of Iron.

Lin Fan saved the Emperor from the Dark King and learned that Tzeentch had set a confrontation for fifty years later at the Milky Way’s center. As the Emperor returned to power, Lin Fan and the others began preparing the galaxy and reconnecting with the people they hoped to protect.

• Booker and the surviving soldiers burned their souls to destroy the Men of Iron, and Lin Fan arrived too late to save them before cutting down the remaining machines.
• Lin Fan fought Lion El'Jonson, learned of the crisis on Cadia from Perturabo, and later stopped Lion with help from Rogal Dorn and Corax.
• Lin Fan rescued survivors from the Mountain Array, reached Terra, and split Drach'nyen’s blade from its hilt to save the Emperor from death.
• Tzeentch revealed that she had tied herself to the Milky Way’s inhabitants and set a meeting with Lin Fan for fifty years later at the galactic center.
• Lin Fan told the gathered leaders about Tzeentch’s plan, while Oedmeir repaired the Golden Throne and restored the Emperor’s body.
• The Emperor rose from the Golden Throne and reunited with his sons, then the Primarchs and their forces returned to their duties as the Emperor resumed work.
• Mortarion led the Death Guard back toward Barbarus, while the Emperor sent Magnus to seek a way to restore the Thousand Sons and granted Lorgar’s request for the Word Bearers.
• Lin Fan used the Brilliant Star Map to check on recovering worlds and promised Delia he would return, while Isha organized the Aeldari to spread Trees of Life and Magnus took Yvraine to help restore his sons.

Magnus and Ahriman restored the Thousand Sons as the Emperor gathered the Imperium’s allies and prepared for war against Tzeentch. The Great Game began at the galactic core, where Necrontyr, Aeldari, and human forces clashed.

• Magnus and Yvraine found Ahriman aboard his damaged cruiser, and Yvraine reversed the Rubric spell to restore the Thousand Sons.
• Magnus explained the Heresy and its aftermath to the restored warriors, while the Emperor ordered the Custodes to find the scattered Sisters of Silence.
• Fulgrim, Vulkan, and Konrad Curze investigated a corrupt planet, where Curze killed officials and children before Vulkan drove him off.
• Lin Fan tested how game rules affected battles, then joined the Emperor as the Primarchs prepared for the God-Emperor’s return.
• Isha transformed the phantom beneath the Golden Throne into a female God-Emperor, who comforted Curze and promised to guard the throne.
• Cawl revealed that he had created one hundred thousand Primaris Space Marines, and Oedmeir proposed ending the project and planning for warriors’ retirement.
• The Emperor mobilized the Imperium’s armies near the galactic core, where Aeldari, Necrontyr, and human fleets gathered alongside the Primarchs and their Legions.
• Tzeentch summoned Lin Fan, set the goal of reaching the battlefield’s deepest point and defeating five divine incarnations, and the Necrontyr and Aeldari began attacking as human ships joined the battle.

The Imperium and its allies fought through Tzeentch’s shifting defenses while Lin Fan used the battle’s game rules to counter her interference. The arc ended with the Primarchs preparing a coordinated assault on a Degraded Imperial Palace filled with enemies from other timelines.

• The Necrontyr rallied against the Degraded Ones, and the Silent King ordered the Phaerons to unleash their C'tan powers as the Primarchs watched and feared the scale of the threat.
• Tzeentch’s interference killed a Phaeron, but the Void Dragon destroyed the Degraded fleet and Lin Fan’s railgun roll wiped out Tzeentch’s Nightbringers.
• The Imperium launched its landing campaign, where metal walls and Lin Fan’s protection rolls helped Fulgrim, Lorgar, and Mortarion’s forces withstand Tzeentch’s Deathmarks and reinforcements.
• Fulgrim broke through his guilt with Ferrus Manus’s help, while Corax aided Lorgar and Fulgrim and Mortarion used a plague to erase the mountains blocking the advance.
• Jaghatai led the White Scars against the Orks, rescued a wounded gunner, and teamed with Corax and Aurora’s alpha agents to ambush Big Mek Miser and other Ork leaders.
• Lion El'Jonson confronted the Dark Angels’ divisions and ordered Azrael, Cypher, and Zabriel’s warriors to cooperate, while Guilliman organized the armies for the expanding campaign.
• Imperial forces aided by Aeldari and T'au rescued Mar and Lanya, while Konrad Curze saved Colvin and Lin Fan used movement rules to frustrate Tzeentch’s attempts to control the battlefield.
• At the next rendezvous, Jaghatai helped Rogal Dorn and Perturabo agree to a coordinated assault, and Mortarion led the Death Guard into a Degraded-filled Imperial Palace.