Mesar

Seal of Forge World Mesar, stamped on all manufactured goods produced there.

Departmento Cartographicae stellar pict-capture of Mesar.

### Specialty

Notable for its superior forges and massive output, Mesar supplies arms and ammunition to the Death Templars Space Marine Chapter as well as the local Astra Militarum and Planetary Defence Forces of the Vrykul System. Also notable for producing several ancient patterns of weapons, vehicles, battle-automata and even Titans.

## Location

### System

Vrykul System

**Mesar** is an isolated Imperial Adeptus Mechanicus Forge World located in the mysterious Vrykul System in the Segmentum Obscurus of the Milky Way Galaxy. This long forgotten outpost of the Martian Priesthood was discovered long ago by Explorator Arks sent out by the Mechanicum Priesthood of Phaeton during the early years of the Great Crusade era in the early 30th Millennium and was quickly transformed into a fully functioning Forge World.

At the time of the Horus Heresy, contact was lost due to the rise in warp storm activity, and the forge world was presumed lost for all time. Contact wasn't reestablished until it was rediscovered sometime in the early 34th Millennium. Since that time, Mesar has formed a strong alliance with the morose Death Templars Space Marine Chapter, which has stood sentinel over the worlds of the Vrykul System for nine millennia. Mesar is also home to the Legio Dolorous ('*Bringers of Sorrow*') Titan Legion.

## History

Mesar was born from the political manoeuvring of the Forge World of Phaeton, who sought to deny Mars its attempt to acquire significant portions of the Forge World's assets. At the outset of the Great Crusade, one of the first tasks of Imperial expansion from Terra was to link up with a number of key domains within the Segmentum Solar identified as vital to the Great Crusade's success. Crucial among these were several Forge Worlds with whom the Mechanicum of Mars had maintained some relationship throughout the tribulations of the later centuries of Old Night. In many cases, these inclusions went without difficulty, and the newly-contacted Forge Worlds willingly bent the knee to Mars without qualm, but in others such as Phaeton, inclusion in the Imperium was the matter of some negotiation and difficulty, and the final acquiescence bought with considerably more autonomy than the Fabricator-General of Mars would perhaps have preferred from a vassal-domain.

What began as a coldly cordial relationship quickly grew into one of veiled and open rivalry, with Phaeton's position further strengthened by its quickly becoming perhaps the second-most productive Forge World of the Great Crusade until the later discovery of mighty Anvilus. Although never faltering in its committment to the Great Crusade, machinations by the authorities of Mars brought matters close to outright conflict over doctrine and subtle accusations that Phaeton was building its military assets to threatening levels, and this began to have a corrosive effect on the Forge World's reputation - to the point where the storm clouds of hostile censure and perhaps even armed retribution gathered.

To avoid open conflict, Phaeton acquiesced to Mar's demands, however, they managed to outmanoeuvre the Fabricator-General by dispatching a third of their strength aboard a vast fleet of Explorator Arks. Embarking upon a journey to the edges of known space, they settled the Forge World of Atar-Median. Due to their blatant defiance of Mars, Phaeton and its offspring Forge World drew the ire and lasting animosity of many of the Red Planet's allies. Due to their vast resources, the fledgling Forge World rapidly rose amongst the echelons of the Mechanicum with frightening swiftness, standing greater than many lesser Forge Worlds in their entirety.

Wishing to expand Atar-Median's influence even further, a small conclave of Tech-Priests wished to push the boundaries of their master's domain further afield. The ruling Archmagos agreed to their request and granted the small Explorator Fleet a portion of the Forge Worlds resources to succeed in their quest. Over several decades this explorator fleet pushed further westward, until finally, after a long and perilous journey through the Warp, they discovered the mysterious Vrykul System located to the galactic northwest of the Segmentum Obscurus. This Explorator Fleet founded the fledgling Forge World of Mesar.

Like their forebears, the transplated Phaenonite Priesthood rose up their new domain of steel and fire with frightening swiftness, using at its core, the ancient god-engines that had once defended Phaeton during the anarchy of Old Night. These Titans went on to become part of the newly-founded Legio Dolorous as its warden sentinels.

### Horus Heresy

From its inception Mesar was created to be a war-world - a fane of weapons and armaments solely intended to serve the needs of the ever-advancing frontline forces of the Great Crusade. Legio Dolorous committed itself fully to the cause of the Great Crusade, integrating themselves in several Expeditionary Fleets to take part in the continued expansion of the burgeoning Imperium of Man. Their ardent support of the Great Crusade and its ideals ensured that Mesar, and by extension Legio Dolorous, was amongst the first worlds within the Vrykul System to denounce the Warmaster during the galaxy-spanning, internecine conflict known as the Horus Heresy.

Due to the tenuous astropathic communication with the wider Imperium becoming more erratic and infrequent due to the formation of the massive warp storm known as the Ruinstorm, Mesar was forced to weather the tide of encroaching darkness alone and unsupported. Becoming aware of the treachery of the hated Fabricator-General of Mars and the subsequent civil war known as the Schism of Mars, Mesar and the Legio Dolorous committed themselves wholly to the Loyalist cause. Aware that the potential for conflict within the Segmentum Obscurus was a likely prospect, Mesar laboured to increase its strength within its own holdings, even as much of Legio Dolorous took to battlefields across the galaxy.

Despite the severe losses suffered by their Titan Legion, fortunately, due to the defiant resistance of Mesar's infrastructure that survived, the Mesaran Priesthood were able to swiftly repair and return many crippled Titans to action. Though the Traitors of Mars celebrated the loss of so many of Mesar's god-engines as a great victory, their celebration was pre-mature, for they had failed to eradicate a deadly and relentless foe. They had only succeeded in awakening the wrathful spirit of Mesar and its Titan Legio.

### Aftermath & Modern Era

Following the events of the Horus Heresy, contact was lost with Mesar, due to the vagaries of war and every increasing warp turbulence that made interstellar travel and communication precarious, at best. Rediscovered by the Death Templars in the 34th Millennium, they found the Tech-Priests of Mesar's Cult-Mechanicus still loyal to the Emperor and His Imperium of Man. The Mesaran Priesthood swore their allegiance to the Space Marine Chapter when they helped to turn back a large full-scale invasion by the Forces of Chaos.

The Warpsmiths of the Traitor Legions, long denied the technological wonders unearthed since the Horus Heresy, had led raids beyond counting to Mesar. Were it not for the stout defence of the Death Templars, Mesaran Skitarii and the Titans of Legio Dolorous, Mesar would have fallen to the powers of Chaos long ago. This forge world primarily provides war material for the Death Templars and its industrial heartland is also engaged in the production of arms and ammunition for other regional Imperial military forces.

Mesar is ringed with concentric layers of orbital docking platforms, habitation modules and transit tethers, and beyond those rings lay outer boundaries of autonomous planetary defence batteries, kill-satellites and spatial mine fields guarding the world's approaches. These formidable protections are far greater than those possessed by other individual Forge Worlds. This world of science and technology is rarely contacted by the Death Templars, save for the Techmarines of their Chapter. Due to their isolation, the Masaran Tech-Priests have had free reign to create and build non-sanctioned patterns of weapons and vehicles, as they see fit.

## Geography

Mesar is a living symbol of the Opus Machina on a planetary scale - highly industrialised and heavily polluted. Thick layers of smoke and waste gases nearly obscure surfaces covered with technological development, even as huge refinery platforms churn from one ore-spike to another. Pyramidal cathedrals of metal and plasteel tower into the skies, lost in the noxious clouds. Endless vessels move across the planet, carrying the products of the forges across the Sector: munitions, vehicles, weapons, voidship components, even pre-fabricated foodstuffs.

## Production Output & Capabilities

Mesar is the epitome of a classical Forge World - covered with enormous manufactorums, towering production lines and vast assembly yards that churn out specialised weaponry and vehicles for the Sector militaries and Astartes vehicles, specialised wargear and equipment for their close allies, the Death Templars Space Marine Chapter. However, they're production extraordinaire is the ability to produce the collosal god-engines for the Legio Dolorous, the sentinel wardens of Mesar since its inception. The Mesaran Priesthood reverently maintain and worship these colossal engines of war; for in their eyes, every Titan is no less than the walking embodiment of the Machine God's power.

The process of constructing a Titan is a close secret within the Adeptus Mechanicus, and each is an immense undertaking, requiring centuries of experience and countless blessings and rituals throughout the process. These colossal machines are held in such high standing that every Titan is granted a High Gothic name upon completion. In the same vein, the death of a Titan is a true tragedy for those who aided in its construction, with entire Foundries mourning the loss of one of their sacred creations.

Mesar also consists mostly of constuction facilities for large or specialised combat vehicles, such as battle tanks and larger war machines, including many ancient pattersn of armoured personnel carriers such as Mastadon Heavy Assault Transport and even the ancient and rare Fellblade and Glaive Super-Heavy Tank patterns.

## Notable Locations

### Lanthanaeum Primus

Lanthanaeum Primus is the primary forge-city capital of the Forge World of Mesar. It is the largest Forge Temple on the planet, and as a result, this is the seat of power for the senior member of the Triarchy, who together we his two compatriots, rules over all of the Mesar Priesthood. The vast forge complex stretches away beyond sight, the towering manufactorum, refineries, worker-habs, machine shops and assembly hangars covering thousands of square kilometres of Mesar's surface. A perpetual pall of smoke hangs like a fog over the sub-hives of the worker districts, haphazard stuctures of steel and refuse bulked out with offcuts and unusuable waste from the forges.

The entire forge-city is layered with tier upon tier of engine houses, forges, docks, ore-smelteries and assembly shops that reach from the ground to the very summit of the highest spires of the capital. Here, spires and smoke stacks cling to the buildings and forges of industry like a metallic fungus, hives of industry working day and night to provide for the Emperor's armies. The vast hive of manufacture is home to billions of faithful tech-priests of the Machine God, the great and power deity that governs every aspect of life on Mesar, from the lowliest tertiary reser unit of the planet's PDF to the mightiest forge master.

#### Vector Sigma

Vector Sigma is where the Skitarii and other military forces of Mesar stand silent vigil against any who would try to breach the darkness surrounding the prime foundry of Mesar's capital.

#### Nidus Alpha

Greatest of the stuctures of Lanthanaeum Primus is the Nidus Alpha, a huge hall located deep within the core of Mesar, constucted far beneath the first ancient Fabricator ship. Countless offices, lecture halls, generatoria, assembly vaults, and data repositories fill this cold warren of steel and stone. Vast pilasters framed a yawning gateway at its base, the marble inscribed with millions of mathematical formulae and proofs. At the centre of the facility, automated gun-turrets, armed Skitarii, and a host of other, more subtle security measures safeguard a pair of great bronze doors. Each door is reinforced with layers of adamantium, and etched with intricate copper devotions and inlaid circuits dedicated to the Omnissiah.

Beyond this formidable entranceway, a labyrinth of vaults and chambers encompasses the many artefacts and relics of Mesar. Every sector of this convoluted maze contains a deadly security apparatus, each a unique and devious contraption capable of eliminating anyone lacking the Triarchy's authorisation. Tales of the priceless treasures within these guarded tombs vary from ancient archeotech, to STC printouts, and even technology stretching back to the earliest days of Man's conquest of the stars.

At the centre of the Nidus sits the Prime Atrium of the Triarchs, a vast assembly hall where the official work of governing Mesar and its vassal wrolds is conducted. An enormous bowl of a room, the Prime Atrium contains enough seating, both public and private, to accommodate every adept of the rank of Magos or higher within the system and all of its far-flung holdings.

#### Sanctum Technologis

Beneath the Prime Atrium is the Sanctum Technologis, a secure data-storage facility for primary source documents and records dating back to the Forge World's inception. Although various Imperial agencies cast serious doubt on the accuracy of this data, Mesar maintains their veracity. Included within the Technologis are the original agreements between the Mesaran Priesthood and Phaeton that formed Mesar and the foundation of the Mesaran-Phaetonite Covenant millennia ago.

### Lanthanaeum Secundus

Lanthanaeum Secundus is a powerful Forge Temple located in the Pathros region of Mesar. Currently, it is one of the largest and most productive Forge Temples on Mesar, surpassed by only Lanthanaeum Primus in size. Like many forges of this Forge World, it is geared for war production - exclusively manufacturing arms, equipment and Power Armour for the Adeptus Astartes of the Death Templars. As a result of their size and productivity output, this fane is overseen by the Fabricator Locum, the second highest-ranking individual of the Mesaran Mechanicus, responsible for assisting the Techno-Triumvirate with the governance of Mesar. This particular forge is also responsible for the training of Death Templars Battle-Brothers to become Techmarines.

### Opus Actinaeum

When not serving on some distant warzone or guarding one of the Legio's many fortresses, the Titans of Legio Dolorous rest in the Titan Pens within Mesar's forge-city of Opus Actinaeum. Here they undergo any necessary critical repairs, upgrades, or refittings. The planet's massive manufactorums contain these pens within their sprawling bulk, and continuously produce parts and armaments for their sacred charges. A single pen often houses multiple Titans at a time, while some of the more illustrious or massive machines warrant an entire forge to themselves. All who maintain the Legio's machines view their labour as a great honour, and duels and conflicts frequently occur over the right to house Titans of particular reverence.

The Titan Pens also contain facilities to see to the medical and physical needs of the legion's members, including hospitiller complexes, hab quarters, and training bays. Many veteran members of Legio Dolorous live and train here beside the Legio's aspirants, and serve as an example to those who have yet to face the enemy in righteous battle. Unfortunately, these facilities sometimes serve as the final abode to any Princeps that succumbs to the extreme physical and mental toll of controlling the destructive spirit within a Titan. These tortured individuals are sights inspiring both reverence and pity. Some are carefully managed in their declining days as inspirational heroes of the Adeptus Mechanicus, but most live out their remaining days as pitiful, broken shells of the walking gods they once embodied.

### Kranion

Opus Actinaeum plays a very critical role in the training of aspirants and Titan crews to function as a single, unified and cohesive unit. Here, the god-engines Princeps, the leader of a Titan crew, and their Moderatii, who implement their commander's directives, must learn their god-engine's unique quirks, tolerances, and individual temperament so that each can instinctively anticipate and interpret the Titan's intentions during combat. Without this mutual link, the Titan is slow to react and unruly, the rebellious machine spirit struggling against its crew instead of directing its boundless rage against the enemy. In contrast, a Titan and crew who have bonded are a true wonder to behold: man and machine communicating and reacting without a moment's hesitation to deliver the wrath of the Omnissiah down upon their foes. To truly walk as one with their Titan's machine spirit is akin to a holy experience for all within, the Princeps in perfect communion with his Engine, and his Moderatii in seamless anticipation of his commands.

To better achieve this end, the Legio Dolorous conducts endless training drills, and has authorised the creation of an area known as Kranion ('Land of Skulls'). This large section of the planet's surface is essentially a 'no-man's land' - off-limits to all personnel - with the exception of the crews of the Legio Dolorous. This vast barren expanse of wasteland essentially acts as an artifical warzone in which the god-engines of the Titan Legio can learn to deal with almost any threat they might face on a battlefield. Here countless captured enemies and prisoners from across the Sector are penned in place, surrounded with enormous ferro-crete walls that house automated sentry guns and targeting servitors, and used in live weapons training. The lowly wretches within live out their dangerous, and often very short, lives perpetually rebuilding the remnants of buildings and battlefields, only to have them destroyed anew each session.

These rabble are lorded over by ruthless individuals, who have risen to the top of the hierarchy of prisoners through their sheer brutality and force of will. Since little care is given to the rationing or the maintenance of order among the confined, the prison leaders are able to organise and intimidate prisoners into massive work gangs in order to curry favour from their Adeptus Mechanicus overseers. Those Tech-Priests charged with overseeing these labour forces are known to encourage such aberrant behaviour, often motivating the prisoners with the promise of higher quality rations for those who manage to achieve exceptional productivity. Monumental violence is quite common amongst these groups, and is believed to add to the overall authenticity of the Legio's training.

### Sepulchre Panacea

When one of the Omnissiah's followers fall, all possible care is given in trying to bring their remains of the fallen to the Sepulchre Panacea, a massive subterranean hive complex that is a continent-sized necropolis where the dead may eternally rest. Once a funeray procession arrives with the fallen's remains, the bodies of the deceased are taken by servitors to be processed for burial. While basic servitors do most of the actual labour, there are those of the Adeptus Mechanicus whose duty it is to prepare their fallen brethren and to administer the final rites of the Machine God.

Known as the Mortifiers, these humble brethren have several duties to perform before allowing their charges to rest. This massive facility is not only a cemetary for the fallen for the followers of the Machine God, it is also where the Mesaran Mechanicus take back and refurbish the cybernetics of those who have fallen, so that they may be offered to upcoming generations Tech-Priests.

The flesh remains of the fallen are processed into corpse wafers, to be used in religious observances of the Adeptus Mechanicus. It is also the main reclamation point for the detached bionics and cybernetics, so that they can be used once again by others in the Adeptus. Building and maintaining cybernetics is a time and resource consuming task that also becomes more and more difficult every year, as those with the knowledge to create or maintain such wonders die without passing on that information to the next generation of Tech–Priests.

Reclaiming these cybernetics and using them for training purposes, or to augment others who seek the perfection
of the Omnissiah, allows the Mortifers to reduce the need for current resources. It also serves a more holy purpose, allowing a line of ascension within the Adeptus Mechanicus to continue far beyond the span of even the eldest of Magos. Worthy Tech-Priests might gain the mechadendrites of a famous Logos from within the system, or receive the same bionic eye that once spied the formation of Mesar.

The Sepulchre Panacea is hidden from outsiders, for knowledge is power, and here is where knowledge is preserved and used to grow the power of the Cult Mechanicus throughout the sector. For the Sepulchre Panacea is also where the memories of the fallen are stored, so that they may be kept from oblivion. In the farthest recesses of the Sepulchre, the Mortifers and their servitors stubbornly work on their great task. They administer and maintain ancient cogitator systems and arrays, far more complex and delicate than anything known currently within the Vrykul System. Here the the Mortifers connect the cortex implants and cybernetic synapse overlays of the fallen to this gigantic system, known as the Cenotaph. The accumulated knowledge and experiences of the now-dead Tech-Priests are retrieved, so that they can be accessed later.

Currently, the ability to retrieve and utilise such information is rudimentary at best, but near-heretical experimentation with the holy machinery has allowed for greater efficiency in recent years. Dark whispers of what the Mechanicus might do with such concentrated knowledge scatter across the cognoscenti of the Sector. Stories among the Mortifers tell of outsiders who were caught investigating the Cenotaph being placed into the
ancient oubliettes of the necropolis, never to be seen or heard from again. Nothing can be allowed to halt the great work from continuing, and one day the Sector will see its grand results, and know the glory that every true Tech-Priest already believes.

## Mesaran Priesthood

### Hierarchy

* **Mesaran Techno-Triumvirate** - Known also as the Triarchy, the Forge World of Mesar is not commanded by one individual, but three. Acting as a cohesive and unified whole, these three senior Archmagos act as defacto Imperial Commander/Planetary Governor, with full executive, temporal and spiritual power over their domains, with notional fealty only to Mars and the Emperor.
* **The Holy Synod of the Lord Magos** - Each member of the synod is a magnate and sub-ruler of their own domain or forge-fane on the Forge World, as well as a high-ranking priest of the Cult Mechanicus, tied to the larger web of the Forge World through a complex network of alliances, preference, arcane technological specialty and religious rank.
* **Taghmata Omnissiah**
	+ **Magos Militant/Primus** - The Magos Militant is a senior Magi/Archmagi designated "Prime", and is responsible for leading the Taghmata Omnissiah when the military command protocol is enacted in times of war.
	+ **Magos Militant/Secundus** - Lower ranked Magi as well as assigned Tech-priests and prelates of militant sub-cults of the Mechanicum utilised by the Taghmata as a field command and control cadre. Each will commonly possess their own acolytes, retainer forces and sub-units owing then direct fealty.

## Mesaran Military Forces

### Legio Dolorous

The Legio Dolorous are the preeminent military force and protectors of the Forge World of Mesar. This Titan Legio was formed during the latter years of the Age of Strife on the remote world of Mesar by Mechanicum exiles hailing from the Forge World of Phaeton. Since their inception, the god-engines of Legio Dolorous have stood sentinel over the realms of Mesar, defending it against the attention of xenos raiders and other horrors from the Immaterium. The principal role of this Titan Legio was the eradication of fierce warp beasts and Neverborn creatures, leading the Bringers of Sorrow to favour direct and brutal tactics. Unforgiving and merciless to their enemies, the Legio Dolorous earned the moniker "Bringers of Sorrow" from their allies, due to their preference for close-ranged weaponry, bullish charges and scorched-earth tactics.

### Mesaran Legio Skitarii

The Skitarii are the umbiquitous warriors of the Adeputs Mechancius, making up the bulk of their fighting forces with the exception of their Titan Legions. These elite, highly modified warriors are responsible for the protection of their Archmagos and Tech-Priest masters during expeditions into hostile regions, and to help guard the forge world, ships and facilities that belong to the Mesaran Priesthood. When the Legio Dolorous marches to war, they are commonly supported by hugh numbers of Mesaran Skitarii, acting as an auxiliary infantry. They are utterly devoted to the Cult Mechanicus and possess a willingness to lay down their lives in defence of their masters and the Mechanicus' sacred machines.

#### Hypaspist

Hypaspist Skitarii are the most basic augmented infantrymen of the Tech-Guard and are armed with cybernetically hard-linked lasguns similar to those used by the soldiers of the Astra Militarum. Hypaspists are generally more powerful and skilled soldiers than standard Guardsmen as a result of the cybernetic enhancements that make them stronger and more accurate than normal humans and the psycho-surgery they have undergone to suppress their emotional reactions and make them immune to panic or fear. However, this enhancement also makes Hypaspists less independent and able to think for themselves in combat.

#### Sagitarii

The Sagitarii are the Mesaran Skitarii's heavy weapon specialists. This class of Skitarii only includes dedicated heavy weapons squads, as heavy weapons specialists attached to Hypaspist squads are still called Hypaspists.

#### Crupellarii

The Crupellarii are Skitarii heavy fire support specialists. These massive, vat-grown cybernetic soldiers are as large as Space Marines and are capable of carrying heavy laser weapons and multi-barrelled Autocannons with ease. The Crupellarii wear heavy black robes and cowls that are covered in Mechanicus sigils and are protected by thick ceramite armour plating that covers their chests and shoulders.

#### Balisteria

The Balisteria are the artillery units of the Skitarii. The artillery used by the Skitarii ranges from Thudd Guns to massive Ordinatus pieces. The term Balisteria includes both the vehicle or artillery piece, as well as the Skitarii crews manning them.

#### Cataphractii

The Cataphractii are the Mesaran Skitarii's armour units. The Skitarii make use of everything from small armoured personnel carriers like the Chimera and Rhino to heavy combat walkers and super heavy tanks such as Baneblades.

### Taghmata Omnissiah

The Taghmata Omnissiah is a bygone military organisation formerly used by the Mechanicum of ancient times during the Great Crusade and Horus Heresy eras. However, Mesar still utilises this ancient feudal military organisation to act as a sort of "third arm" for their armed forces, fighting alongside the Legio Dolorous and Mesaran Legio Skitarii forces. The Taghmata forms the great trinity, or "Triad-Magna," of the Mesaran Mechanicus' power.

The Taghmata Omnissiah is enacted in times of war and urgency. It represents the feudal power structure that can muster in times of war. This type of feudalized command was necessary, as at the time of the Heresy the Forge World's of the Mechanicum were each a kingdom in and of itself with its own complex hierarchies and traditions. The Taghmata Omnissiah includes militant Tech-Priests, Legio Cybernetica, Imperial Knights, Combat Servitors, Thallax, Myrmidon's, Tech-Thralls, Centurio Ordinatus engines, and a wide variety of other miscellaneous forces at the Triachy's disposal.

#### Formations

Military forces and organizations that fall under the purview of the Taghmata Omnissiah include:

* **Legio Cybernetica** - Sacred orders of Tech-priests devolved into cohorts charged with the construction and use of Battle-Automata, existing both as fully independent structures and sub-factions owing either pacts of mutual support or alliance with the Synods of major Forge Worlds.

* **Lacyraemara** - Included indentured servants.

* **Munitoria Logis** - Provender of Munitions and Wargear, Servitor and Drone Cohorts. Assigned to Taghmata service.

* **Macrotechnia** - Included Enginseers and Tech-Thralls.

* **Autokrator** - Ground armor (including the Krios and Triaros), mobile artillery, and pioneer units.

* **Knight Houses of the Questoris Familia** - The ruling noble houses of the Knight Worlds form their own unique culture and traditions which have become closely linked with the Mechanicum over time. Households often deploy alongside the Legio Titanicus in support.

* **Basilikon Astra** - The division of the Machine God's servants tasked with the construction, use and operation of voidcraft and interstellar vessels. This order's divisions by their nature control the outer reaches of a Forge World's star system and so stand apart from the planetary synods, but are still tied to them by dependence and ancient tradition.

* **Prefecture Magisterium** - Doctrinal covenant of the Machine Cult charged with preserving dogma and the persecution of techno-heresy. Magisterium Cohorts and hunter-killer claves are maintained on all Forge Worlds under the authority of the planet's Archmagos Intendant.

* **Ordo Reductor** - Mendicant order of Tech-priests devoted to the art of siege craft, demolition and mass destruction. The Ordo Reductor is essentially nomadic, gravitating to areas of intense warfare, but maintains links to major Forge Worlds for resupply and support.

* **Centurio Ordinatus** - The Centurio Ordinatus, a section of the Mechanicus' Divisio Militaris, is the Adeptus Mechanicus organisation responsible for the development, maintenance and operation of the mighty Ordinatus war machines. Every individual Ordinatus is a unique construction and named for the Imperial world on which it was first employed or built. Each Ordinatus is a unique weapon that is designed for a specific purpose or for a particular battle. This explains why the Ordninatii Tech-priests that operate these massive war machines of the Machine God are configured using special augmetics to aid their intended purpose.

* **Auxilia Myrmidon** - The Auxilia Myrmidon is the sub-organisation of the Mesaran Skitarii Legion, composed of elite Tech-priests known commonly as the Siege Engineers or the War Savants. This Mechanicus sect exists to study the art of destruction with the ardent fervour that their fellows mighty apply to the creation of machinery or the recovering of lost archeotech.