Recaps

Han Mingxuan and his allies set Abaddon on a path to godhood, then fought to hold the Imperium together as Chaos destroyed Cadia. Guilliman awoke, reinforcements from another spacetime arrived, and Lorgar pursued his corrupted counterpart through the Sea of Souls.

• Han Mingxuan and Sinleech reinforced the Golden Throne’s seal, while the God of War prepared to make Abaddon ascend and Sinleech brought Belisarius Cawl to Terra.
• Sinleech created a Horus for Abaddon to defeat, and Abaddon claimed the remaining divine station and became a god before vowing to destroy the Imperium.
• Abaddon attacked Lion El'Jonson and the Imperium, but the Emperor and Han Mingxuan orchestrated a battle that left Lion gravely wounded and Abaddon’s power fading.
• Abaddon destroyed Cadia with the Blackstone Fortress Eternal Wish, and Han Mingxuan opened the passage between eras to bring the Word Bearers and Iron Warriors into the war.
• Lady Euten’s voice awakened Roboute Guilliman, who sent the Ultramarines and Primaris Space Marines to Cadia as Vulkan’s forces held the defenses.
• Perturabo sent Excommunication into Cadia, destroying the planet and the Chaos forces still on it, while Guilliman and the other Primarchs met their counterparts from another spacetime.
• Perturabo and Lorgar helped defeat the Chaos forces, and Perturabo faced the Lord of Iron until the latter accepted death and asked Perturabo to care for those who could atone.
• Lorgar led a force into the Sea of Souls, caught his corrupted counterpart, and burned away the Daemon’s tongue after he threatened him with a bound sorcerer.