World Eaters - Era Indomitus: During the period of the Noctis Aeterna after the birth of the Great Rift, reinforcements were cut off for both sides in the ongoing Third War for Armageddon, and those en route to the system were swept into oblivion.Those combatants who remained on Armageddon were forced to face not just each other, but oncoming waves of Daemons. At times, so desperate were the defenders that Orks and Humans fought alongside each other against the greater threat. Such temporary ceasefires never lasted long.By the time the beacon of the Astronomican burned bright once more and easy travel through the Immaterium in the Imperium Sanctus was possible, an Imperial relief force arrived to find the landscape of Armageddon greatly changed. At the height of the Warp storms, the Daemonic forces of Tzeentch and Khorne had battled each other as part of their eternal competition in the Great Game.The Orks and Imperial defenders sought cover as titanic Greater Daemons duelled for supremacy. Fully half the planet was reshaped into a hellish landscape reminiscent of many Daemon Worlds -- a nightmare born of the Warp merged with the ruins of a war-torn Hive World.The Imperial reinforcements, led by elements of nine Space Marine Chapters with the Salamanders in overall command, succeeded in halting a Daemonic ritual that would have brought Angron back to the world that had defied him during the First War for Armageddon.In the Era Indomitus the World Eaters have reached heights of power not seen since the Great Crusade. The attemps of Angron to return to Imperial space is bad enough for the servants of the Emperor, but it now seems that he can no longer be truly banished back to the Warp for a long period of time. Inquisitors aware of this phenomenon tout many different theories for the Red Angel's terrifying new attachment to realspace, chief among them the amount of Warp energy now pouring from the Great Rift. But even voidship-class weapons will only slow  the Daemon Primarch down while he re-manifests.Should Angron somehow still be cast back into the Warp, he re-emerges unscathed precisely eight weeks, eight days, and eight hours later, heralded by eight Crimson Omens that strike fear into the hearts of all who witness them.Behind him march the warbands of the World Eaters. Each of these warbands has operated independently since the events on Skalathrax that earned Khârn the Betrayer his epithet and tore the original XIIth Legion asunder -- but all are drawn by their fallen gene-father's call. Some, like Gladiator Cadre 331, still wear the blue-and-white power armour of the Legion's heyday in the Great Crusade, while others have adapted their skills to new theatres of war, like the shipbound Voidbutchers.Their differences even extend to the way they do battle, as not all World Eaters charge screaming into melee combat. The Bloodstalkers are known and often derided by their fellow World Eaters for their patience and gunnery, yet they reason that a warrior who lives longer claims more skulls for Khorne. The 66th Armoured Company have become one with their vehicles, and bulldoze through enemy positions safe within armoured hulls.With the World Eaters largely reunited behind their primarch, Angron promises to become an active participant in the Great Game and present an entirely new threat to the Imperium in the Era Indomitus.