He looked to the mortals. Their faces were blanched with fear. Their weapons shook. Their bravery was commendable nonetheless. Not one of them attempted to run, though a wave of terror preceded the unnatural things clambering up towards them.

‘We shall not turn away from our duty, no matter how fearful the foe, or how dire our fates may be,’ he said. ‘Behind us is the Sanctum of the Emperor Himself. As He has watched over you, now it is your turn to stand in guardianship over Him.’

The creatures were drawing closer. Through a sliding, magnified window on his display, Messinius looked into the yellow and cunning eyes of their leader. A long tongue lolled permanently from the thing’s mouth, licking at the wall, tasting the terror of the beings it protected.

Boltgun actions clicked. His men leaned over the parapet, towering over the mortals as the Lion’s Gate towered over the Ultimate Wall. A wealth of targeting data was exchanged, warrior to warrior, as each chose a unique mark. No bolt would be wasted in the opening fusillade. They could hear the creatures’ individual shrieks and growls, all wordless, but their meaning was clear: blood, blood, blood. Blood and skulls.

Messinius sneered at them. He ignited his power fist with a swift jerk. He always preferred the visceral thrill of manual activation. Motors came to full life. Lightning crackled around it. He aimed downwards with his bolt pistol. A reticule danced over diabolical faces, each a copy of all the others. These things were not real. They were not alive. They were projections of a false god. The Librarian Atramo had named them maladies. A spiritual sickness wearing ersatz flesh.

He reminded himself to be wary. Contempt was as thick as any armour, but these things were deadly, for all their unreality.

He knew. He had fought the Neverborn many times before.

‘While He lives,’ Messinius shouted, boosting his voxmitter gain to maximal, ‘we stand!’

‘For He of Terra!’ the humans shouted, their battle cry loud enough to be heard over the booming of guns.

‘For He of Terra,’ said Messinius. ‘Fire!’ he shouted.

The Space Marines fired first. Boltguns spoke, spitting spikes of rocket flare into the foe. Bolts slammed into daemon bodies, bursting them apart. Black viscera exploded away. Black ichor showered those coming after. The daemons’ false souls screamed back whence they came, though their bones and offal tumbled down like those of any truly living foe.