The Burning of Ohmn-Mat - Exemplary Battles of the Age of Darkness

Oct 7, 2026

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The Burning of Ohmn-Mat recounts how the Horus Heresy spreads across the galaxy, forcing new formations and weapons into desperate warfare. Ohmn-Mat, once a resupply world, becomes trapped in internecine conflict and stripped of value by prior Great Crusade fleets. Captain Jharran Deygen leads Sons of Horus and Word Bearers in a campaign of ritualized slaughter, breaching the system and unleashing mass culling amid shattered shipyards and desperate broadcasts.

LanguageEnglish

CategoryStory & Novel

FormatPDF

Pages27

Reading Time42 min

AccessFree to download

The Burning of Ohmn-Mat

Horus Heresy escalation and the fate of Ohmn-Mat

Captain Jharran Deygen’s campaign of “Dark Compliance”

The breach of realspace and the ritual assault

The Burning of Ohmn-Mat Exemplary Battles of The Age of Darkness Exemplary Battles of the Age of Darkness The Burning of Ohmn-Mat As the Age of Darkness ground ever onwards, the fires of war would spread throughout the entire galaxy, consuming everything in their path. Armies and worlds were reduced to nothing more than ash, in many cases leaving no one alive to bear witness to the sacrifices made or the atrocities committed. Plunged into a war of unprecedented scale, the hosts which fought during the Horus Heresy were forced to employ new formationsand weapons out of desperation or pragmatism, foes unlooked for demanding a new paradigm of warfare. Many of these formations would be lost during the dark years of the Horus Heresy, their traditions wiped out and the last stockpiles oftheir weapons exhausted, but their memory is preserved in these records. A lesser Forge World in the northern Ultima Segmentum, Ohmn-Mat served as a resupply point for Expeditionary fleets pushing out towards the Eastern Fringe during the mid to late Great Crusade. As the expanding frontiers ofthe Imperium overtook the world, its efforts were redirected, with most of the planet’s industrial output feeding the stockpiles ofthe nearby fortress world of Stromhelm and the stellar infrastructure needs of local sub-sectors. By the time the vanguard of Horus’ Dark Empire encroached upon the region of space around Ohmn-Mat midway through 008.M31, it was a world already gripped by war. Word of the atrocities committed by those who had turned against the Emperor, carried by panicked Chartist Captains and a warband of Dropsite Massacre survivors, had reignited long-simmering disputes among the Forge World’s ruling synod, plunging the planet into open conflict before the Warmaster had even departed the Isstvan system. A victim of the Martian Mechanicum’s capricious politics, Ohmn-Mat had been stripped of much of its value once the Great Crusade’s Expeditionary fleets had passed it by, the resources and personnel of entire forge-fanes transplanted wholesale to provender sectors far from Ohmn-Mat’s barren corner of space. Almost two years of internecine conflict had eroded the Forge World’s wealth even further, reduced in the eyes of the Traitors to little more than a wasteyard to be pillaged as they drew up plans in preparation for the conquest of the Ultima Segmentum’s northernmost reaches. This duty fell to Captain Jharran Deygen ofthe XVIth Legion. Still bedecked in laurels earned during the fierce boarding actions at Port Maw, he was dispatched at the head of an armada of thousands of Sons of Horus and Word Bearers Legionaries, with millions of Solar Auxilia and Traitor Militia troops following behind. Spearheaded by Deygen’s own 84th Company,‘The Strife Bringers’, this fleet was assigned to bring the Warmaster’s so-called ‘Dark Compliance’ to the warp routes between Cyclothrathe and Honorum, cowing planets into subservience with mass executions and seeding overseer cadres to facilitate the extraction of tithes of both materiel and flesh for the Cyclothrathe Mechanicum. Upon Ohmn-Mat itself, Captain Deygen bestowed a purpose far greater than mere carrion for the forges of Cyclothrathe, the scale of death already unleashed upon the world making it a perfect offering for the dark benedictions of his assigned Esoterists – once the appropriate preparations had been made. For two years, Deygen let the misery and despair produced by OhmnMat’s ongoing civil war reach ever greater heights as his fleet orchestrated a campaign of surgically-precise butchery on the surrounding systems in accordance with schema laid down by his lodge masters and Word Bearers Diabolists. The already brutal and opportunistic battle doctrines ofthe 84th Company were transformed into something altogether more sinister, resembling ritual killings on a mass scale as recalcitrant worlds were rendered into charnel tributes to the Traitors’ glory. At the close of 010.M31,

FAQs

What role did Ohmn-Mat serve before the conflict reaches it?

Ohmn-Mat functioned as a resupply point for Expeditionary fleets during the Great Crusade, later redirected as the frontier advanced and most industry fed nearby strategic needs.

Why did open conflict erupt on Ohmn-Mat before the Warmaster departed Isstvan?

Atrocities by those who turned against the Emperor reignited disputes among the Forge World’s ruling synod, plunging the planet into war.

How does Captain Jharran Deygen’s fleet carry out its operations on Ohmn-Mat?

Deygen deploys a campaign of surgically precise butchery and mass ritual killings, transforming brutal battle doctrines into systematic extermination while undermining local defenses and orbiting shipyards.

Oct 7, 2026

Upload by dbqoiu