The Despoiler comes forth once again, and he cannot be stopped by force of arms alone. It is his will that the stars be stained red with the blood of all who oppose him. An infinite horde of fiends, mutants and cacodaemons obey his command to devour Cadia alive. But he will not stop there. If our faith in the Emperor and our force of arms prove strong, the forces of Chaos can be driven back into hell. If we are found wanting, humanity will fall.
Lord Inquisitor Hephaestos Grudd of the Ordo Malleus
Black Crusade
And thus the Eye it opens,
Damnation erupts forth.
The 13th Black Crusade's begun,
Those before it dwarfed.
…
Isha's tears start to fall,
The Emperor turns his gaze.
The gods of Chaos cast their hands,
The battle lines arrayed.
…
Demons and the damned surge forward,
Blackened are the ships.
Battle's joined in land and space,
The material plane is ripped.
…
For these are the hordes of Chaos,
They direct their fire and hate.
So has begun the Black Crusade,
At the Cadian Gate.