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Forged in the fires of necessity during the Ultima Founding, the Furnace Guard are the Imperium’s uncompromising answer to the hell-born engines of the Warp. Descended from the gene-line of Ferrus Manus, they embody the Iron Hands’ brutal logic and mechanical resolve—but their creation serves a singular, burning purpose. Charged by the secretive Ordo Machinum, the Furnace Guard are not defenders of bastions or conquerors of territory. They are reclaimers of ruin, hunters of corrupted steel, and the flame that sears the daemonic from the heart of lost Forge Worlds.
From the fractured forge world of Vault Ferrum—torn asunder by the birth of the Cicatrix Maledictum—the Chapter wages an unending crusade across rust-choked manufactorums and Warp-tainted assembly lines. Within their fortress-monastery, The Crucible, they drill without end amidst collapsed reactors and corrupted cogitators, training within the decay they are sworn to reverse. Their war is not one of glory or honor, but of attrition against the blasphemous tide—Daemon Engines, warp-forged monstrosities, possessed Titans, and techno-heresy made manifest. The Furnace Guard offer no quarter and demand no recognition. They are not saviors. They are fire: unfeeling, cleansing, absolute.
Chapter History[]
Chapter Origins[]
Founded during the Ultima Founding, the Furnace Guard were created to serve a singular and perilous purpose: purging daemonic corruption from the machine. Though descended from the Iron Hands, the Furnace Guard have been shaped by their close ties to the Inquisition. Tasked directly by the Ordo Machinum—a secretive arm of the Inquisition devoted to rooting out tech-heresy and safeguarding STCs—they have become the Imperium's iron flame: purifying the infernal engines of the Warp, hunting those who would craft such blasphemies, and reclaiming what was lost at the dawn of this new, accursed age.
Chapter Homeworld[]
The homeworld of the Furnace Guard, Vault Ferrum
The Furnace Guard are based on the world of Vault Ferrum, a fractured former Forge World torn asunder by the Warp energies of the Cicatrix Maledictum. Its broken manufactorums, corrupted data-vaults, and ruined forges now serve as both training ground and war zone. From their stronghold, The Crucible, the Wardens launch relentless campaigns into the haunted remains of fallen Forge Worlds and wherever the daemon engines of Chaos or the Arch-Traitors march.
Chapter Organisation[]
Structure and Command[]
The Furnace Guard reject a single master. Instead, they are governed by a Council of Steel, composed of the following:
- All Company Captains, each a war-savvy tactician with dominion over a facet of the Chapter’s operations.
- Chief Librarian Ferrax, guardian of ancient and forbidden data.
- Reclusiarch Mordain, who binds the flesh to steel and soul to duty through sacred rites.
- Forge-Lord Targellan, master of the machine, rigid in his interpretation of the Omnissiah’s will.
Officer Ranks[]
- Captain
- Lieutenant
Specialist Ranks[]
- Reclusiarch
- Chaplain
- Chief Librarian
- Librarian
- Chief Apothecary
- Apothecary
- Forge-Lord (Master of the Forge)
- Techmarine
- Chapter Ancient
- Company Ancient
- Chapter Champion
- Company Champion
Line Ranks[]
- Veteran Sergeant
- Veteran Marine
- Sergeant
- Battle-Brother
- Neophyte
- Aspirant
Order of Battle[]
Headquarters[]
Companies[]
Chapter Gene-Seed[]
Genetic Flaws[]
As with all Chapters of the lineage of Ferrus Manus, their gene-seed is exceptionally pure and free from corruption or degradation. However, the question of the sons of Ferrus Manus and their obsession with replacing healthy body parts with augmetics—and the general body dysmorphia that seems to afflict the Iron Hands and their successor Chapters—remains. Though the Furnace Guard are a young Chapter and initially appeared free of this compulsion, as they have grown and established themselves, this psychological quirk has begun to manifest among their brothers. This lends weight to the theory that the condition is inherent to the genetics of Ferrus Manus’s line, rather than—as some had hoped—a consequence of Medusan culture or a lingering psychological trauma following the death of their Primarch.
Purpose and Doctrine[]
The Furnace Guard were forged to battle the daemonic engines of Chaos and to reconquer the lost Forge Worlds where those infernal machines lurk in defiance of the Omnissiah’s light. Their purpose is not one of conquest, but of reclamation and purification—restoring what was lost when the galaxy was sundered by the birth of the Cicatrix Maledictum.
Their primary objectives are as follows:
Expurgate Daemonium Machina
“Purge the Daemon-Machine”
The Furnace Guard are specialists in the destruction of warp-tainted engines—daemonically possessed vehicles, corrupted Titans, and other heretekal constructs that fuse sorcery with sacred technology. Trained in both sorcery resistance and tech-exorcism rites, their Techmarines and Librarians work in unison to sever the unholy link between daemon and machine spirit. Heavily augmented squads wield relic weapons such as graviton mauls, melta-charges, and plasma incinerators specifically calibrated to disable and dismantle corrupted constructs. Where others would falter or hesitate, the Furnace Guard stride forward with calculated fury, knowing that the slightest delay could doom entire worlds.
Officinas Recuperatio
“Recovery of the Forges”
Much was lost when Abaddon’s 13th Black Crusade and the subsequent formation of the Cicatrix Maledictum severed entire sectors of the galaxy. Forge Worlds fell silent, their Mechanicus enclaves consumed by madness or flame. The Furnace Guard are tasked with the monumental duty of reclaiming these industrial bastions—braving radiation-soaked vaults, AI-haunted datavaults, and daemon-infested manufactorums.
To accomplish this, they deploy in structured reclamation forces:
- Excursor Clades made of scouts and Phobos equipped infantry along side inquisitorial units and mechanicus scouting forces search the surface and deep infrastructure, identifying points of corruption or surviving technologies.
- Purificator Cohorts follow, armed with holy promethium, plasma-cutters, and allied heavy infantry from the mechanicus and inquisition to cleanse taint and restore operational integrity, making planet fall in strategic drops. —tech-priests seconded to the chapter by the Ordo Machinum—lead rites of rededication and reactivation, reigniting the machine-spirits once thought lost whilst inquisitorial forces root out the demon and the heretic, this combined arms approach whilst unique has proven successful time and again to reclaim lost forge worlds, an alliance that is made only possible by the deep bonds of trust that exist between the mechanicus and the sons of ferrus.
Each reclaimed Forge World is a step toward restoring the Imperium's industrial lifeblood. Each destroyed daemon engine weakens the forces of the Arch-Traitors. The Furnace Guard do not seek laurels, only the silence of cleansed forges and the hum of sanctified machines.
They do not fight for glory.
They fight so that Mankind may build again.
Chapter Beliefs and Culture[]
- “The Iron Flame Purifies” – Their core maxim represents there dedication to purging the daemonfrom the machine where ever it is found.
- Purification Rites – Any recovered tech is subject to joint Mechanicus-Inquisition rituals of verification and sanctification.
- Iron Without Dogma – While their Iron Hands heritage grants them resilience and cybernetic prowess, they reject blind mechanical asceticism in favour of focused vigilance.
Combat Doctrine[]
They fight with armoured fury—Deploying tanks, dreadnoughts, and tech-heavy forces in blazing spearhead strikes into corrupted industrial hellscapes. Techmarines and Librarians work in tandem to secure and contain and purify daemon infested technology mid-battle.
they work in tandem with the adeptus machanicus, the inquisition of the ordo machinum and ordo malleus and sometimes a contingent of grey knights if the threat is substantial enough to root out and purge the dark mechanicum from the galaxy
Deatwatch Service[]
such is the singular focus of the chapter it is rare for a member to be sent to the deathwatch though in its brief history a handful of brothers have been sent for service, the knowledge they gain of xeno technology, particularly the workings of necron technology that has been shown to be anathema to the creatures of the warp is of special interest to the chapter and its mission, these brothers have been instrumental in the chapters deployments to the pariah nexus particularly.
Notable Members[]

Inquisitor Samanthal is the current representative of the Ordo Machina and malleus the works closely with the chapter as an advisor to the council of steel, she is a firebrand: brilliant, provocative, and unafraid to confront Astartes when duty demands. She is ruthless in her mission to purge the daemonengines of chaos and any who would bring such creations into being, she her self views all machine's with suspicion and forgoes mechanical augmentation as much as possible, which often puts her in stark contrast to members of the chapter who, whilst not to the same zeal as there forbears, still have inherited the iron hands obsession with replacing parts of there body with augmetics. armed with her archaic combi-plasma gun recovered from lost vaults on terra and her signature force sword she endeavours to balance out the other members of the council.
Chief Librarian Ferrax - tba
Reclusiarch Mordain - tba
Forge-Lord Targellan - tba
First Captain Alectrus Ferrun “Let no engine rise that has not first been judged. Let no forge burn that serves the Ruinous Powers. I am the hammer that breaks the blasphemous circuit.” Among the Furnace Guard, none exemplify the Chapter’s unrelenting doctrine more than First Captain Alectrus Ferrun, a living relic forged in the dark crucible of the Ultima Founding. Born of Ferrus Manus's gene-line and trained under the direct oversight of the Adeptus Mechanicus and the Custodes themselves, Ferrun served with distinction in countless theatres of the Indomitus Crusade—including the Pharos Purge, the Battle of the Hollow Moon, and the defence of Magna-Geth—earning a reputation for unflinching logic and brutal precision. As the ranks of the Unnumbered Sons were gradually folded into newly founded Chapters, Ferrun remained unclaimed—until he was handpicked by the Ordo Machinum as a seed-commander for the Furnace Guard. With firsthand experience battling the warp-tainted engines of the Dark Mechanicum, he was a natural choice to lead, and upon the Chapter’s founding on Vault Ferrum, he was named First Captain and charged with shaping the elite First Company in his image. Ferrun leads with tactical rigor and the grim certainty of one who has seen too much, favoring heavy Terminator spearheads, graviton-equipped breacher squads, and brutal boarding actions into daemon-haunted manufactora. Every mission is not a campaign, but an excision—an infection to cut out, cauterize, and cleanse with fire and steel. He is stoic, machine-precise, and increasingly alien in affect; though his discipline is exceptional, signs of the Ferrus Manus lineage’s signature dysmorphia have begun to show. Ferrun has voluntarily replaced several otherwise functional organic components with augmetics, citing efficiency and purpose—changes he accepts without sentiment, as if embodying a logical, necessary evolution. Despite his cold demeanor, his loyalty to the Chapter and its sacred mission is beyond question. Among his battle-brothers, he is both feared and revered: the Emberhand, and a living symbol of what the Furnace Guard are meant to become.
Chapter Appearance[]
Chapter Colours[]
The Furnace Guard wear a distinctive quartered heraldry: the upper left and lower right of their armor are painted a deep, scorched orange, representing the sacred fires of purification and the Forge Worlds they are sworn to protect. The upper right and lower left are burnished yellow, evoking searing holy flame and the vigilance of the Emperor’s light. Their right gauntlet is steel-colored in remembrance of their Primarch, Ferrus Manus.
This bold duality symbolizes their sacred purpose—to bring the Omnissiah’s light to the lost Forge Worlds and to purge the galaxy of the taint of daemonic machines. Red robes or tabards are worn by all ranks, signifying the Chapter’s close ties to the Cult Mechanicus and their abiding faith in the Omnissiah.
However, those in the Chapter’s command are most often seen wearing black robes and tabards—garments they call the Robes of Mourning, worn in solemn reverence for their fallen Primarch, whom they venerate as the perfect union of humanity and the Machine God.
Sergeants can be identified by their red helmets, while veteran sergeants wear red helmets with a large white vertical stripe down the vent and forehead.
The black squad specialty symbol stencilled on the right shoulder pauldron indicates a battle-brother's assigned combat role (Fire Support, Close Support, Battleline, Veteran or Command). A black Low Gothic numeral is stencilled on the right pauldron inset, indicating squad assignment. Company assignment is indicated by the colour of the shoulder pauldron trim in accordance to the dictates of the Codex Astartes (1st Company - White; 2nd Company - Yellow/Gold; 3rd - Red; 4th - Green, etc.).
following the logical and practical nature of the chapter scout squads and some phobos equipped infantry have often been seen taking to battle in codex approved camouflage schemes, this allows them to better work in tandem with inquisitorial agents and mortal scouting forces to guide the chapter into the heart of battle and pave the way for the main force to strike at the heart of the enemy.
Chapter Badge[]
Chapter badge of the Furnace Guard.
The Furnace Guard's Chapter badge takes the form of a stylized black forge-flame rising from within the interior of a broken cog and anvil, itself bisected by the symbols of the Inquisition. The cog - the sacred symbol of the Adeptus Mechanicus - is deliberately fractured, representing what has been lost with the opening of the citrix maledictum. The flame, rendered as an aggressive, upward surge, symbolizes purification: the holy fire of retribution that sears away impurity in flesh, steel, and silicon alike. The Inquisitorial symbol is the final and defining element - an icon that takes the shape of a stylised column, forming a capital letter "I". In their sigil, the message is unmistakable: the forge's must be purified by fire, and only through sacrifice may the daemonic machine's be purged.
Relations[]
Respected, distrusted, and feared, the Furnace guard walk a thin line.
Allies[]
- Inquisition - The Inquisition values the Furnace Guard as blunt instruments of enforcement and reclamation and a tool that can specialise in the destruction of demonic engines that have become increasingly prevalent in the battle fields of the galaxy.
- Adeptus Mechanicus - The Martian Priesthood begrudges the need for the Furnace Guard, yet tolerates it with its own forces over stretched in this new age defending what they have left and meeting the demands of the imperium under siege from all sides they can see the logic and appreciate the results of a chapter dedicated to returning its lost worlds back into the fold.
Strained[]
- Adeptus Astartes - Other Chapters see them as dutiful but unnerving, too aligned with the Inquisition and mechanicus to be comfortable allies and the legacy of chapters descended from ferrus of being too cold and brutal even by there messures makes other chapters reluctant to work closely with them.
Enemies[]
- the Dark Mechanicum - creators of the infernal daemon engines and blasphemous technologies of chaos they are the primary enemies of the furnace guard.
- Vashtorr the Arkifane - he who would see him self rise to become the dark Omnissiah, the chaos god of the machine is of great concern to the chapter and they will spare nothing in bringing an end to the Arkifane
- The Iron Warriors legion - it is natural given the chapters singular obsession and mission that they are brought frequently into conflict with the arch traitor legion of purterabo for whom they hold a particular disdained for whilst all traitors utilize the demonic with the machine it is the iron warriors who employ such blasphemies most readily and frequently
- The leagues of votann - it has not gone completely unnoticed to some in the inquisition and the imperium at large that the diminutive offshoot of humanity known as the leagues of votann or squats in low gothic employ thinking machines that violate the will of the Omnissiah and, as some whisper, may well be abominable intelligences, to the furnace guard such abominations are as akin to the demon engines of chaos in there blasphemy and this has brought the chapter's wrath down on the votann on more than one occasion.
Notable Quotes[]
By: Furnace Guard[]
About: Furnace Guard[]
Gallery[]


