Vulkan was already at the gate, standing before the portal with Doomtremor held aloft ready to strike.
Before he even started to swing his weapon, a line of light appeared between the doors and the portal swung away, opening inwards to the sanctum beyond, flooding the outer hall with bright, pale green light.
Koorland and the others followed the primarch over the threshold, weapons ready. Koorland checked on his small force. About a third had fallen to the stompers’ attack. He could hear fighting from beyond the hall, getting closer. The rearguard was collapsing.
The chamber past the gateway was most definitely a power generator of some kind. Koorland was reminded of the plasma chambers of Imperial fortresses and starships, the walls lined with pipes and crackling cables, in this instance thick bundles of coppery wire strewn like garlands that hissed and sparked with green energy. The air throbbed with latent power. Koorland could feel the vibrations through his armour.
But it also put him in mind of the Ecclesiarchy shrines. Past the mechanical aspects, the walls had the same decorations as much of the rest of the temple-gargant — glyph plates and stark mosaics, painted geometric designs and pictorial murals. The chamber was semicircular, about thirty metres across, the focus of the arrangement an ork idol sitting upon an ornate chair.
The statue was at least ten metres tall, in a square-arched alcove filled with the green light of ork power. Its body was encased in thick layers of plate, intricately wrought and carved with orkish designs. A bull-horned helm with a mock tusked face encased the head. Two claws each the size of a Space Marine rested on the arms of the chair.
‘Master of Terra…’ muttered Odaenathus.
‘Speak not of the Throneworld in this place,’ growled Bohemond. ‘What further mockery is this?’
A plethora of cables hung from the armoured form of the idol, fizzing with power. It was clear that the statue was the centre of the power generation system, though by what means Koorland did not know. He looked to the Rune Priest, Thorild.
‘Is this the centre of the psychic presence?’
‘The power of the waaagh suffuses this place,’ replied the Space Wolf, with some evident effort, his voice strained. ‘It is both the vortex and the sun, the consumer and the creator.’
Koorland looked sharply at the psyker, remembering the ork-possession that had beset some of the other Librarians. The Space Wolf seemed in control of himself, merely being poetic in his choice of words.
‘Let us destroy the reactor and find the Great Beast,’ declared Thane, stepping towards the energy-shrouded god-effigy.
‘Where are you?’ Bohemond called, stalking after the Exemplar. ‘False priest to an artificial god! No Great Beast here, just alien impostors!’
The air buzzed with a surge of power. An inhuman shriek echoed around the chamber and all eyes turned to Thorild, the source of the terrible cry. He shuddered, lightning arcs of green power spewing from his psychic hood, his runestaff burning with jade flames. Moments later the other Librarians collapsed, screaming in most un-Space Marine fashion, cries of utter terror and agony ripped from them.
Gandorin staggered wildly, flares of green sparks arcing from his helm. He stopped a few metres from Koorland, face twisted in a terrifying snarl. A second later his head exploded, showering brain matter and skull across the Lord Commander.
Disgusted, Koorland turned on the idol as the smoking corpses of the psykers clattered to the floor. Bohemond roared, the chains binding his sword to his wrist rattling as he raised his weapon in challenge.
‘Face us, coward! Your death has arrived, false prophet of a doomed race. Ullanor shall be razed again, and none shall remember the Great Beast.’
With a drawn-out creak, the statue stirred.
Bohemond took a step back.
Koorland felt the other Space Marines crowding closer as the idol’s eyes became stars of green fire. He looked away and his grip loosened on his weapons, and it was only when he felt the presence of Vulkan looming up beside him that he was able to look at the animating effigy again. The primarch stood with legs slightly apart, hammer held up like a shield.
Power flared and pipes hissed while cables and wires detached from the idol with fountains of emerald sparks. Clanking and whirring, the immense machine rose up from its throne and took a step out of the alcove, twice as tall even as Vulkan.
‘We destroyed your other engines,’ said Thane, brandishing his sword. ‘This will be no different.’
Koorland looked up at the living idol, filled with foreboding. Black and white checks adorned the effigy, the face painted a deep red. At its full height, the thing seemed even bigger, swamping the primarch with its bulk, a monster of moulded plates and jutting spikes covered with writhing, coiling fronds of power.
‘It isn’t a war machine,’ Koorland told the others, the words almost choking him. ‘It’s a suit of armour.’
Chapter Twenty-One
Survival begets sacrifice. How long have You sat immobile, my Father? They speak in Your name and know nothing of Your mind. Is this what You wanted? I cannot countenance such a thing. It is a travesty of the Imperial Truth, the epitome of all that we wished to vanquish. Venal, selfish, corrupted. Did we not show the way brightly enough? Did our blood not wash the wounds clean?
Why do You not speak out? Father, why have You forsaken me?
‘The Great Beast must die, whatever the cost.’
The last words to leave Odaenathus’ lips were painfully prescient. The Great Beast threw out a flame-wreathed fist and a blast of power smashed into the Ultramarines Chapter Master, smearing his remains across several metres of granite. For a couple of seconds, Koorland couldn’t drag his eyes from the droplets of molten armour and the stain of blood-grease that had been his fellow commander. All that he was, all that he might be, had been ended with contemptuous ease.
Koorland looked again at the Great Beast, a manic laugh threatening to burst free as he considered the impossibility of taking on such a foe.
‘Destroy the generator,’ snapped Vulkan. He stepped past, hefting Doomtremor in one hand. ‘Orks love to fight. I’m going to give the Great Beast exactly what it wants.’
The tone of the primarch left Koorland no choice — a command that reached into his heart and head and could not be gainsaid. Even had he the inclination to defy Vulkan, he had no time. The gene-father of the Salamanders threw himself at the gargantuan ork, his hammer a blue star against wreathing clouds of green fire.
At Koorland’s command the remaining Space Marines poured fire into the arcane technology of the reactor. Bolts, volkite flares and melta bursts rippled across the screen of shimmering energy that covered the mass of machinery surrounding the Great Beast’s throne. The green curtain broke into constellations of small stars, rippling and surging with energy flux.
‘More!’ roared Koorland, loading a new magazine into his pistol. The juddering snarl of assault cannons and bark of bolters drowned out the boom of Doomtremor striking the Great Beast’s armour and the shriek of power claws raking across Vulkan’s war-plate. The converging fire of the taskforce was a near-solid stream of energy and metal. The reactor field writhed and buckled, building to blinding intensity, but did not break.
Vulkan and the Great Beast reeled to one side and then the other, smashing titanic blows against each other. Sparks and lightning fountained from the plate of both warriors. Their movement exposed the throne alcove of the reactor.