Mechanicum

'Engines of the Legio Mortis,' said Princeps Cavalerio, his voice stentorian and unequivocal. 'You are on course to cross the Tempest Line, whereupon you will be in breach of the Tharsis non-aggression pact as signed by Princeps Acheron of Legio Mortis and Princeps Bakka of Legio Tempestus at the First Council of Cydonia. Turn back now or you may be fired upon.'

Sharaq watched the Manifold as Cavalerio's engines marched up through the western pallidus, billowing clouds of dust swirling in their wakes. To have reached Ascraeus Mons in such time must have torn the hearts from their reactors, but they were here and that was what mattered.

'Engines of Legio Mortis respond immediately!' demanded Cavalerio, and Sharaq could hear the strain in the Stormlord's voice. He checked the Manifold, getting elevated biometric and reactor readings from the Victorix Magna.

The thunderous form of the Imperator did not slow and Sharaq saw that it was moments from crossing the Tempest Line, whereupon it would be in the territory of Legio Tempestus. His mouth was dry and he took a sip from the hydration straw at his cheek.

'Legio Mortis, respond!' demanded Cavalerio, and Sharaq's heart swelled with pride as the stately form of Victorix Magna marched to stand alongside Metallus Cebrenia, firm in the path of the colossal Imperator.

'Fifteen seconds to the Tempest Line,' warned Moderati Bannan.

Tharsis Hastatus, Arcadia Fortis and Vulpus Rex took position alongside Cavalerio's engine, and the entire strength of Legio Tempestus on Mars stood before the mightiest war engines of Legio Mortis.

'This is your final warning. Mortis!' bellowed Cavalerio.

Dreadful terror settled in Sharaq's gut as Moderati Bannan said, 'Tempest Line breached, my princeps.'

SYSTEMAE MECHANICUM

2.01

The Tempest Line had been breached. The sovereign territory of one of the most honourable Legios of Mars had been violated. Armed engines had blatantly marched from their fortress and come with warlike intent to another. Despite the evidence before him, Princeps Cavalerio still could not accept that Mortis wanted to exchange fire.

Why would they risk such a thing? Supporting Horus Lupercal and engaging in provocation was one thing, but daring another Legio to fire upon your engines made no sense unless there was a darker, more far-reaching scheme at work.

If battle were joined here, little would survive, and even with the Imperator, Mortis would not walk away unscathed.

Cavalerio had always suspected that Camulos was a man unsuited for command, and this confrontation seemed only to confirm his suspicions. It was madness, and Cavalerio did not want to be sucked into that madness. The factions of the Mechanicum might make war on one another, but the Titan Legions were supposed to be above such things, to hold the ideals of a united Mars and Terra above all things, even their own differences.

'My princeps,' said Moderati Kuyper. 'The Tempest Line.'

'I know,' said Cavalerio. 'Should we open fire?'

'You have a solution?'

'At this range we don't need one,' Kuyper assured him. 'That monster's so large we won't miss.'

Cavalerio nodded, sweat streaming from his brow, and his mouth dry. His heart was beating in brutal syncopation with the fiery heart of Victorix Magna, the straining power of a supernova at the engine's core burning hotter and faster than it was ever designed to. He could hear Magos Argyre's desperate supplications to the reactor's spirit and felt the anguish of the mighty engine in the numbness spreading through his limbs.

The image of the Imperator filled his senses, both through the viewscreen and through the Manifold. Data scrolled like liquid light through his mind, and he drank in the colossal feats of engineering that had gone into its construction and the utter lethality of its existence.

Its limbs were death incarnate, the grinning skull-face an abominable harbinger of destruction. The bristling weapon towers and bastions were a martial city-fortress carried on the back of an ancient god, though this burden was borne willingly and not as a punishment.

To fight such a thing would be the greatest achievement of any princeps, but it would probably also be his last.

The monster took another step, taking with it any chance that this crossing of the Tempest Line was accidental.

'Princeps Sharaq requests instructions,' called out Kuyper. 'Arcadia Fortis requests permission to fire.'

'Vulpus Rex and Astrus Lux moving into flank fire positions,' noted Palus.

'Tell them to hold positions, damn them!' shouted Cavalerio, his pulse racing like the roaring discharge of a gatling cannon. 'No one opens fire unless I give the order. Make sure that last part is especially clear, Kuyper.'

'Yes, my princeps.'

Cavalerio had the sensation of events sliding beyond his control, and he fought for breath as the fire from his loyal engine's heart poured through the virtual marrow of his body like blood from a ruptured artery.