Blood Angels

No Legion of the Great Crusade was so admired, nor so quietly feared, as the IX. The Blood Angels were the Imperium's living proof that a warrior of the Legiones Astartes could be more than a weapon, that he could be beautiful, learned, and noble, an artist as readily as an executioner. Where other Legions cultivated terror or grim efficiency, the sons of Sanguinius cultivated a terrible grace, and the sight of their crimson ranks advancing beneath golden wings was said to lift the hearts of mortal soldiers who had never before wept at the coming of the Angels of Death.

Yet beauty in the grim galaxy is only ever a thinner skin drawn over horror. Beneath the Legion's perfection ran a flaw carried in the primarch's own gene-seed, a hunger for blood and a shadow of doom that the Blood Angels named to no outsider and confessed to no one. In the years before the Heresy it surfaced only rarely, a red mist behind the eyes of a legionary pushed past the edge of endurance, and the Legion's apothecaries watched for it the way a physician watches a cough that might yet be nothing, or might be the first sign of a wasting death.

The Angel of Baal

Sanguinius fell to the blighted moons of Baal, a world of red deserts and radioactive ruin where the survivors of an old catastrophe scraped out lives amid mutation and want. Winged and luminous, the infant primarch was taken as an angel by the tribes he came to lead, and he repaid their worship by uniting their warring clans and cleansing their poisoned home of the monsters that stalked it. When the Emperor at last descended to Baal, Sanguinius knelt not as a conquered king but as a son who had already made himself worthy, and the Legion raised from Baal's hardy stock took his image as their own.

Of all the primarchs, Sanguinius was the one his brothers loved without reservation, for he wore his power lightly and his kindness openly. He was also, alone among them, cursed with true foresight, and more than once he glimpsed the shape of his own ending. He told no one the whole of it. He simply gathered his sons closer and led them onward, an angel who had already seen the price of the war to come and chosen to pay it.

Doctrine of the Perfect Blade

The Blood Angels prized mastery above all, of the blade, the bolter, the fresco and the verse alike, and their armouries produced artificer weapons of surpassing craft to match warriors who trained until skill became something near to art. In battle they favoured the swift descent and the close kill, plunging from the sky on crimson wings to break an enemy line before it could brace. Behind that elegance waited the Red Thirst, the nascent flaw that lent their assaults an edge of ecstasy, a joy in slaughter the Legion disciplined, sublimated, and never quite extinguished.

The Snare at Signus

When Horus turned traitor, his cunning reserved a particular cruelty for the brother he could not corrupt. The Warmaster lured the Blood Angels away from the muster for Terra and into the Signus Cluster, a swathe of worlds seeded with a daemonic trap sprung shut behind them. There, amid warp-storm and possession, the Legion was made to drink deep of its own hidden horror, and only Sanguinius's will held his sons back from the abyss. They emerged scarred, blood-marked, and late, an angel and his broken-winged host racing at last toward a doomed Throneworld and the ending their primarch had already foreseen.