Fallen Angels

The stairs didn't switch back upon themselves, like in most structures; instead they descended in a long, arcing spiral that wound ever deeper into the earth. The foul presence permeating the air grew stronger with each and every step. Zahariel concentrated on putting one foot in front of the next, recalling the labyrinthine steps that wound through the ancient stone beneath Aldurukh itself. Memories flitted through his mind as he walked; of his initiation into the Order and his long walk through darkness at Jonson's side. Fragmentary images came and went: stone steps and torchlight, the rustle of fabric, Nemiel's presence at his side as they descended a flight of stairs to… where? He couldn't quite recall. The memories were vague and only half-formed, like scenes from a dream. A dull pain swelled in the back of his head as he tried to concentrate on the images, until finally he was forced to push the thoughts away.

More alarming were the cracks that began to appear in the outer walls of the stairwell as they descended deeper beneath the ground. Black roots had forced their way through freshly-laid permacrete more than a metre thick, spreading across the i

By the time they reached the lowest levels the stairway was little more than a tu

Still, the squad forged ahead, pressing through the ever-constricting tu

'We've reached the bottom of the stairs,' Astelan said quietly, casting a wary eye up at the swarms of insect life rustling ceaselessly overhead. 'What are your orders?'

There was no telling what they might find beyond the opening to level B6. Zahariel was surprised the enemy had let them penetrate so far - he'd operated on the assumption that they would encounter resistance almost immediately, which would have at least given him some idea of what they were up against. The time might come very soon when he would have to draw upon his psychic abilities, whether he wanted to or not. He needed information more than anything else at this point.

'Press forward,' he said. 'Drive for the thermal core. It's the largest chamber on this level.'

The chapter master nodded and stepped into the green-lit blackness without hesitation. Zahariel followed with the rest of his squad, bolt pistol at the ready. His feet came down on thick roots and cablelike vines stretching across the floor beyond the stairwell. Draughts of stinking air gusted past his helmet, and the insect noise surrounding the warriors swelled to frantic life.

They pressed on down a low-ceilinged passage for more than a hundred metres, passing numerous cross-corridors as they went. The clinging plant life continued unabated down the passageway, and Zahariel realised the pale green glow came from colonies of bloated grubs that clung tenaciously to the twisted roots. Sounds of restless movement echoed all around them, seeming to grow louder with each passing moment. At one point Zahariel heard the clatter of talons behind a cluster of pipes half-hidden among a network of vines ru

'How much farther?' Gideon asked quietly. The warrior's voice was tense. The continual screeching and rustling had the entire squad on edge.

'Fifty more—' Zahariel started to say, just as the air filled with a hideous screeching and dark, armoured shapes burst from the plant life all around them.

He was glancing over at Gideon just as a segmented creature struck downwards at the Astartes from the network of thick pipes ru

Bolt pistols barked and chainswords howled in the confined space as the squad was set upon from all sides. Gideon twisted in the monster's grip, slashing at its body with his whirring blade. Zahariel blew the creature's head apart with a single shot from his bolt pistol just as a powerful impact struck the back of his helmet and pitched him off his feet.

Zahariel tried to twist his body as he fell, but the creature had his helmet gripped in its mandibles and it was stronger even than he. It drove him face-first onto the floor, wrenching his head left and right as it tried to crack the helmet he wore. Something sharp jabbed at the back plate of the helmet like a dagger, trying again and again to punch through the ceramite. Warning icons flashed before his eyes, informing him of his suit's failing integrity.

With his elbows and knees on firm ground the Librarian flexed his augmented muscles and managed to twist onto his right side. His force staff was pi

He had practised the attack countless times under Israfael's tutelage, but the sheer intensity of the energy coursing through him took Zahariel by surprise. It roared through him like a torrent, far stronger and easier to grasp than he'd ever experienced before. A nimbus of crackling energy surrounded the Librarian; he felt each and every vein in his body turn to ice, radiating from the cables of the psychic hood at the back of his skull, and the three creatures were engulfed in a torrent of raging fire that coalesced from the very air itself. They burst apart in the intense heat, their carapaces exploding from within.

Zahariel gave a shout of triumph and surged to his feet. Skeins of crackling lightning played over the surface of his staff, and icy power raged along his limbs. For a dizzying instant his awareness sharpened to a supernatural degree, reaching into dimensions beyond the understanding of ordinary humans. The permacrete and metal of the corridor faded into near-invisibility, while living matter was etched with vibrant clarity. He could see the layers of root and vine blanketing the walls and ceiling, and every one of the thousands of insects living in their midst. He could also see the score of worms surrounding his squad, wrapping about the warriors and biting at their armoured forms.

Worse, he could see the awful, u