The unification of Terra did not end with a handshake or a treaty. It ended with a slaughter.
Ararat (700.M30)
The slopes of Mount Ararat were a graveyard before the first drop of blood was even spilled. The air was thin, freezing, and choked with the sulfurous discharge of heavy artillery.
This was the final theater of the Unification Wars, the crushing of the Kingdom of Urartu. But as the last of the techno-barbarian bastions crumbled, the Emperor's true purpose for the day revealed itself.
Aurelian stood at the edge of the assembly. He was fifty years old, his body a paradox of skeletal frailty and divine precision. Beside him stood the First Legion.
They were not yet called the Dark Angels; they were simply the "Uncrowned Princes," the Emperor's final solution. They stood in ranks of cold, dark steel, their discipline so absolute it felt mechanical.
Opposite them were the Thunder Warriors.
The Legio Cataegis were giants, even compared to the Custodes. They were the blunt instruments that had broken a world, but their gene-stability was failing.
Some coughed up blackened blood into the snow; others shook with tremors they could no longer hide. Their leader, Ushotan, looked toward the golden ranks of the Custodes and the dark ranks of the First Legion with a dawning, terrible realization.
The order came not as a shout, but as a psychic pulse from the Emperor Himself. Terminate.
The First Legion moved with a chilling, systematic efficiency. They did not fight with the heat of warriors; they harvested like reapers. Aurelian gripped his guardian spear, his knuckles white.
For decades, he had fought alongside these men. He had seen them tear through gene-cults and warlords to build the dream of Unity. Now, he was the instrument of their end.
His Will flared, a solid wall of mental force that shoved aside the hesitation in his soul. He did not let the Hunger distract him, nor did he let the screams of the betrayed break his focus. He forced his mind into the cold geometry of the kill.
A Thunder Warrior charged him, a captain named Ghal-Maraz, his face a ruin of scars. He swung a massive power-blade with a strength that could crack a mountain.
Aurelian's Weaponry Instinct took over. He didn't see a friend; he saw a failing engine. He stepped inside the arc of the swing, his movements so fluid they seemed to defy the heavy gravity of the mountain.
He didn't use strength; he used the Thunder Warrior's own momentum. With a flick of his wrist, Aurelian guided his spear-tip into the soft seal of the giant's throat-gorget.
As Ghal-Maraz fell, the giant looked at Aurelian with eyes that held no malice, only a tired understanding.
"The gardener... pulls the weeds," the Thunder Warrior rasped.
Aurelian did not answer. He pulled his blade free and moved to the next target. Out of the 500 Custodians deployed, Aurelian moved with the least wasted energy.
He was a white blur in the red snow, a ghost performing a necessary mercy. By the time the sun set over Ararat, the Thunder Warriors were no more. The First Legion stood silent, cleaning their blades.
Unity was achieved, but the price was etched into the very soil of Terra.
703.M30 Luna
Three years later, the silence of the void was shattered.
The Emperor's gaze had turned to Luna. The Selenar Gene-Cults held the keys to the future, the technology required to turn the "First Legion" into hundreds of thousands of Astartes. They refused to bow.
Aurelian stood in the bay of a gleaming transport craft, surrounded by nineteen of his brothers. This squad of twenty was a drop in the bucket of the 200 Custodians acting as the spearhead for the invasion. Below them, the surface of the Moon was a network of silver spires and hidden vaults.
"The VIIth, XIIIth, and XVIth Legions have landed," the vox crackled.
The invasion was a symphony of differing doctrines. From his position, Aurelian watched the tactical feeds.
The VII Legion, they had landed in the lunar trenches. They moved like a slow, golden tide, setting up shield walls that the Selenar bio-constructs could not break. They didn't retreat; they simply occupied space until the enemy was crushed against them.
The XIII Legion operated in perfect, interlocking blocks. Every time a Selenar gene-beast broke through a line, the XIII adapted instantly, shifting their formation to swallow the threat. It was mathematical warfare.
The XVI Legion was the most terrifying. They struck the command hubs like a thunderbolt, led by in a spear tip formation. They didn't care about holding ground; they only cared about the kill.
"Our objective is to lock down this planet, nothing is to leave this place," the squad leader commanded.
"The Selenar may attempt to evacuate the Emperor's prize."
The Custodians dropped.
The low gravity of Luna changed the vectors of combat. Aurelian felt his Weaponry Instinct recalibrate in milliseconds. He didn't need to fight the weight of his armor here, he could fly.
They slammed into the crystalline corridor of the Selenar's inner sanctum. A horde of bio-mutilated thralls, creatures of fused flesh and silver plating, rushed them. The Custodians did not form a line, they became a whirlwind.
Aurelian led the charge. He used the low gravity to launch himself off the walls, spinning his spear in a blur that decapitated three thralls before he even touched the floor. His squad followed, 20 golden figures moving with a lethal synchronicity that made the Astartes' efficiency look amateurish.
They reached the private docking bay just as a sleek, silver shuttle began to hiss with pressure. A Selenar gene-witch stood at the ramp, clutching a stasis-container that glowed with a faint, pulsing blue light. The Magna Mater. The genetic blueprint of all that was to come.
"Intercept," Aurelian commanded, his voice a cold chime.
The witches' guard, elite gene-spliced warriors with four arms and neuro-whips, leaped to stop them. Aurelian didn't slow down. He saw the gaps in their reach. He saw the tension in their tendons.
He threw his spear, transfixing the lead guard through the chest, then drew his misericordia dagger and closed the distance in a single, soaring leap.
He landed on the ramp just as the door began to seal. He shoved his armored hand into the gap, the metal screeching under the pressure. With a surge of Will, he ripped the door back.
The Matriarch looked at him with horror. Aurelian didn't strike her. He simply reached out and took the stasis container from her trembling hands.
"The Emperor requires this," he said.
Outside, the battle was concluding. The Selenar had surrendered. Aurelian walked out of the smoking ruins of the vault, flanked by his nineteen brothers.
He approached the golden silhouette of the Emperor, who stood amidst the rubble of the lunar surface.
Aurelian knelt and held the Magna Mater aloft.
"It is secured, My Lord."
The Emperor took the container. His psychic presence was a sun-flare, blinding and absolute. For a moment, he looked at Aurelian, not as a tool, but as a witness.
"Then let us move to the next phase," the Emperor projected.
On Mars, the data-streams were a chaotic firestorm.
Ferrum-Rho sat in the heart of Maintenance Bay 9, his mind divided into seven thousand parallel sub-sectors. He was monitoring the vox-traffic of the lunar strike in real-time.
He saw the heat signatures, the deployment patterns, and the sudden silence of the Selenar defense grids.
He saw the Emperor's location via long-range high-frequency scanners. The Emperor was on the Moon. He was occupied.
Ferrum-Rho stood up. His eyes glowed with a terrifying, steady blue light. He looked at the Exodus, its hull now plated with the illicit alloys he had traded for with the scrap-barons. The ship was a shadow in the red dust, a silent promise of escape.
"He is focused on the Gene-Witch," Ferrum-Rho whispered, his voice vibrating with the cold logic of his Higher Brain Function.
"The transition has begun. The Astartes are now inevitable."
He looked toward the upper levels of the Forge-Fane, where Magos Kovach was likely celebrating Ferrum-Rho's latest work, that he claimed as his, unaware that his "miracle tool" was no longer a tool at all.
"It is time to tie up the loose ends," Ferrum-Rho stated.
He didn't need to check his ledger. He knew exactly what he needed for the final launch. He had three more years to consolidate his power before the transition of 712.M30. He began to activate the sub-routines he had hidden in the Forge's defense grid years ago.
The "Machine" was ready to burn his bridges.