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The Knights-Errant were a mysterious body of warriors that was formed at the express order of Malcador the Sigillite, the acting Regent of Terra, following betrayal at Istvaan III during the opening days of the Horus Heresy in the early years of the 31st Millennium. These agents of the Sigillite were made up of an ever-expanding band of elite Legiones Astartes, each and every one an exemplar of the Emperor's vision for the champions of humanity. They were the pinnacle of the 'Chosen of Malcador', a secret army, sent to the far reaches of the Imperium to prosecute the Sigillite's Silent War, entirely dedicated to Malcador's cause which transcended even the immediate concerns of the Horus Heresy and was vital to all that would come after the Traitors were finally cast out.
In the decades that had passed since the culmination of the Horus Heresy and the outset of the period referred to as 'The Scouring', tacticae-savants identified a broad spectrum of categories into which many irregular forces could be placed. At one end of this spectrum was to be found the body of warriors coined the 'Knights-Errant'. Imperial scholars knew all but nothing of this mysterious group, other than it was formed at the express order of Malcador the Sigillite. The so-called 'Chosen of Malcador' included many individuals from a wide range of backgrounds, but his Knights-Errant were all Space Marines, and many of these were the scions of the Traitor Primarchs who had refused to follow their fathers into treachery and chosen instead to renounce their Legion and serve the Imperium directly at its highest level. All cast off their Legion heraldry and wore in its stead the gunmetal grey of bare ceramite.
Little is now known of the highly secret missions the Knights-Errant undertook at the behest of the Regent of Terra throughout the Age of Darkness, for many accounts have been deliberately suppressed, events have gone unrecorded at the time or reports were simply lost in the conflagration that descended upon Terra at the culmination of the Warmaster's great betrayal. Certainly, the Knights-Errant fought alone or in small groups against key foes identified by the Sigillite and in some cases aligned their interests with those of other Legion forces, serving side by side with conventional Legiones Astartes units when deemed necessary. It is considered likely by some Imperial historators that the Knights-Errant may had played a key, albeit mysterious role in the unseen 'silent war' that was waged between Malcador and the Imperial Fists Primarch Rogal Dorn, for both found their interests frequently in opposition. As the Solar War gripped humanity's birth system, the interests of the Sigillite and the Primarch frequently clashed and while face to face the two remained cordial, if often coldly so, behind the scenes their agents and servants might very well have been murdering one another. Whether or not the Knights-Errant ever took up arms against Loyalist forces is unknown, but it is certain that they undertook missions that furthered the long term goals of the Regent of Terra at the expense of those of the Praetorian of Terra.
The Crusader HostEdit
At the conclusion of the Unification Wars, the Legions stood upon the precipice of launching the Great Crusade, to depart the Sol System in a great many cases never to return. Before leaving at the head of the first great Expeditionary fleets, each of the Legions mustered a party of Legionaries who would remain on Terra and stand as their representatives before the Terran Council in all matters in which the Legions held a stake. In addition, they would serve as an Honour Guard to watch over Terra and all that the Unification Wars had won Mankind. Perhaps most importantly, they would record the names of those Legionaries who would lay down their lives conquering the great darkness beyond the light of Sol, so that no sacrifice would ever be forgotten. In accepting this honour, the Legionaries of the Crusader Host would be making an equally great sacrifice, for they would partake in none of the glory their brothers would win and all their victories would be won by proxy.
When the Warmaster's betrayal was revealed at Istvaan III, the members of the Crusader Host were as one incarcerated by the Praetorian of Terra, the Primarch Rogal Dom. If such as Horus could turn, then who among the Host could be trusted? At length, Dorn was satisfied that those of the Host drawn from his own Legion were sound in their loyalties and he ordered them freed. Of the remainder, each is a tale in its own right. Some escaped, their fates unknown. A small· number were freed on condition of their performing some great and vital task, such as service in the ranks of the Knights-Errant. The ultimate fate of many of the Crusader Host is bound up in the events of the climax of the Horus Heresy, when total war came at last to Terra, but that is a tale best accounted when at last it is time to do so.
One of its number, a former Luna Wolves Legionary by the name of Severian, helped the Sigillite in identifying potential Knights-Errant from both Loyalist and Traitor Legions alike. The Sigillite's intent was to gather each of those named by Severian and muster them into a cadre of warriors directly under his control, a band he would dub the Knights-Errant. It fell to the most senior of these, the Agentia Primus Nathaniel Garro, a former Battle-Captain of the Death Guard and witness to the events of the Istvaan III Atrocity, to go forth into the galaxy and recruit all twenty to his master's cause.
Notable Missions of the Knights-ErrantEdit
- "You court death, Garro, like some ancient Knight-Errant."
--"That's as good a title as any, Brother."
In 007.M31, Agentia Primus Garro sought out Battle-Brother Tylos Rubio amongst the Astartes of the 21st Company, an extremely powerful psyker who had once been a Codicier of the XIIIth Legion before the Emperor’s formal decree at the Council of Nikaea had banned the Space Marine Legion’s use of psykers, including their own corps of Librarians. Many resented the Decrees of Nikaea, but honoured their oath to the Emperor and surrendered their Librarian panoply and wargear, returning to the lines as ordinary Battle-Brothers. Captain Gaius had been killed in a Word Bearers’ assault when a large force of Traitor Marines and Chaos Cultists nearly overwhelmed the 21st Company’s battle lines. Garro arrived before the next assault and found Brother Rubio. He explained to the perplexed Ultramarine that he was there on the orders of Malcador the Sigillite and that Rubio must come away with him. Rubio refused to leave his Battle-Brothers in the face of annihilation unless so ordered by the Emperor himself. Much to Rubio's surprise, the honourable Garro respected his decision and agreed to stand and fight with him against the Word Bearers.
In the final assault, the Ultramarines were driven back in the face of overwhelming numbers, and sought cover within a cave. They were hard-pressed by the elite Word Bearers' Cataphractii-armoured Terminators. Brother Rubio was sorely tested, forced to restrain from using his innate psychic abilities, bound by his sacred oaths to the Emperor, even though he knew that by doing so he could have saved the lives of many of his fallen Battle-Brothers. Facing imminent death, Rubio felt that he had no other choice and unleashed a powerful psychic attack, driving the enemy back with the full force of his powers. The tunnel collapsed in the process, burying the attacking Word Bearers Cataphractii under tons of rubble. The survivors of the 21st Company had been saved and the sole passage to Numinus had been denied to the enemy. The cost of using his powers had cost Rubio dearly – his honour before his Primarch and his Emperor. Garro told him to be grateful that he had saved his Brothers' lives. As he approached his fellow Ultramarines, they averted their eyes and as one turned their backs, shunning him. Rubio had disobeyed a Decree Absolute of the Emperor, and for that, there was no forgiveness. Garro drew his sword Libertas and Rubio spun at the sound of it, fixing Garro with a furious glare. Garro held the sword out, the point down towards the ground. He had Rubio place his hand upon the blade to take an Oath of Moment, to dedicate himself to the orders of the Regent of Terra and put aside all other claims upon his honour. Rubio swore upon the blade, for he had little other choice.
Sword of Truth, Sol System (007.M31)Edit
The second mission Garro undertook was within the Sol system itself, when a rag tag fleet of Loyalists arrived in the Kuiper Belt, on the outskirts of the Sol System. This small flotilla of hodge podge vessels were comprised of small merchant vessels led by the Daggerline which bore the heraldry of the traitorous World Eaters Legion. Stopped by Loyalist forces, the flotilla was ordered to stand down pending further investigation. Aware of the situation, Malcador sent Garro, Tylos Rubio, and Khorarinn, a member of the Emperor's elite Legio Custodes, aboard the Battleship Nolandia, to ascertain the true allegiance of this so-called "Loyalist" flotilla. Once they arrived, Garro insisted on making Vox contact with the flotilla's de facto commander -- the former World Eaters' Captain Macer Varren. Khorarinn, Garro and Rubio then took a shuttle to the Daggerline to meet with Varren in person, and were surprised that besides the presence of Varren's warriors, there were other Legionaries present from various Legions, including a small contingent of Emperor's Children led by Captain Rakatio, and the White Scars, led by Captain Hakim.
Events soon took place that seemed to incriminate the Emperor's Children as traitors, but Garro, Rubio and Varren realised they had been duped, when Captain Hakin's White Scars contingent callously murdered the few Emperor's Children Legionaries along with the arrogant Khorarinn. It turned out that Hakim and his warriors were, in actuality, both Warrior Lodge members, and loyal to the Warmaster's cause. With Hakim's proclamation, the human refugees began to panic and attempted to flee. Obeying Khararrin's final orders, the Nolandia began to systematically destroy each fleeing vessel. Garro, Rubio and Varren rushed to the Daggerline's vox array in order to send a message to the Nolandia, ordering them to stand down, but found its officers had been murdered and the vox array damaged beyond their ability to repair. In the ensuing melee, the Traitor White Scars murdered the remainder of Varren's men. The trio were soon confronted by a squad of White Scars led by Captain Hakim. Cornered, they faced imminent death, but fortunately, Rubio had taken the dead Custodian's teleporter homer during the subsequent firefight, and activated it, which teleported the trio back aboard the Nolandia. Garro had the vessel stop attacking the refugee vessels, and ordered all weapons to be trained on the Daggerline. He then offered the choice to Captain Varren, to either take the Traitor White Scars into custody, or to destroy them outright. Without hesitation, Varren gave the order to fire, destroying the Traitor's vessel. Garro then offered Varren a place within the Sigillite's Knights-Errant, to act as the Regent's "knife in the dark." Varren accepted, and joined this shadow brotherhood.
The Phalanx (ca. 007.M31)Edit
Undertaking the next recruiting mission alone, Garro, armed only with his Power Sword Libertas, infiltrates the Imperial Fists flagship -- the mobile-starfortress Phalanx. Within the massive floating citadel, lay a sealed chamber where the former Librarians of the VIIth Legion had been remanded in custody, under orders from Primarch Rogal Dorn, since the Emperor's Edict of Nikaea declared the dissolution of the Legiones Astartes Librarius years earlier. Disabling the guard-servitors, Garro managed to open the sealed chamber, and was confronted by a group of six former Librarians. To Garro's astonishment he learned that these Imperial Fists had no outside contact with either their battle-brothers or their Primarch in years. They were unaware of what had occurred since they had withdrawn from the Great Crusade or of Horus's betrayal and the resulting galaxy-wide internecine conflict known as the Horus Heresy. However, one of the Librarians, named Massic, confessed to having troubling dreams of conflict that currently raged in the galaxy, and of future events in regards to the terrible final battle that would inevitably come. Garro offered the Librarians an opportunity to to join with him and put their powers to good use, but all of them refused to disobey their Primarch's orders.
Before Garro could persuade them further, Rogal Dorn himself appeared, for Garro's presence had been detected the moment he came aboard. Demanding an explanation, Garro informed the Primarch that he was under strict orders from the Sigillite not to reveal his mission to anyone, save Massic. Reluctantly, Dorn acquiesced to Garro's demand, and allowed the Agentia Primus and Massic to have the room to themselves for a few moments. Garro explained to the Librarian how the Heresy came to be, and of the presence of daemons amongst the Traitor Legions' ranks, as well as the founding and mission of Malcador's Knights-Errant. Much to Garro's surprise, Massic refused his offer to join, and explained to the Knight-Errant that he and his fellow Librarians would not disobey their lord's orders, even if it meant they were to stay secluded for the remainder of their lives. But Massic had faith, that when the time was right, they would eventually be called upon. Garro accepted Massic's explanation, and reluctantly took his leave. Before Garro departed the Phalanx, however, he was confronted by Dorn a final time, who warned the Agentia Primus, and through him, the Sigillite, not to test his forbearance again. Carrying the burden of Praetor of Terra and fortifying both the Throneworld and the Sol system, he had no wish to have to keep a vigilant watch over his own supposed 'allies' as well. The Primarch also explained to Garro, that Malcador misunderstood his intent when it came to his sons -- he was not keeping the Librarians prisoner out of blind obedience to the Emperor's Decree Absolute, but to keep them safeguarded until the day their abilities would be needed.
Istvaan III (007.M31)Edit
Next, Garro and Macer Varren returned to Istvaan III, the sight of Horus's betrayal, with the express purpose of searching for a lost Legionary as a recruit to join the Knights-Errant. They encountered a handful of survivors who spoke of a beast that hunted them. Taking matters into his own hands, Garro went to the lair of the so-called beast of Istvaan III, and on discovery of the long-dead corpse of the Sons of Horus Captain Tarik Torgaddon, he was attacked by the unkempt, nearly-psychotic 'Cerberus'. After a lengthy battle, during which Cerberus escaped, Garro and his companions discovered that the human "survivors" of the virus-bombing of Istvaan III were in fact daemonhosts who had been transformed into undead Plague Zombies of Nurgle when the virus-bombing had weakened the barrier between the Immaterium and Istvaan III, allowing the Plague Lord's influence to reign supreme. Garro and his Loyalist Astartes managed to defeat the foul creatures with the aid of Cerberus; however, once the undead had been destroyed, Garro and Cerberus once more faced one another in mortal combat. It was during this final fight that Garro managed to reach through the amnesia and fractured awareness of Cerberus to the core of the good man that remained deep within his psyche, reminding him of who he truly was, and that the Emperor still had a use for him in rooting out the corruption that was staining the Imperium. Aware of his true identity once more, Garviel Loken joined Garro and his team. With his assemblage of warriors now complete, Garro and Loken left Istvaan III for Luna to receive their first mission from Malcador the Sigillite.
Garviel Loken was sent by Malcador on his first mission to the Dark Angels' home world of Caliban, alongside his former comrade, Iacton Qruze. Their vital mission called for the Knights-Errant to ascertain both the Ist Legion's strengths and loyalty to their Primarch Lion El'Jonson. Infiltrating the Dark Angels' fortress-monastery of Aldurukh, Loken allowed himself to be captured by the Dark Angels. Shackled and bound, he soon found himself being interrogated by Caliban's Regent, Luther. Identifying himself only as 'Cerberus', Luther was still able to accurately determine his captive's status as a former Luna Wolf based on solely on his Cthonian accent. Loken's captor mentioned his prior experience fighting alongside the Luna Wolves at both Cardensine and Zaramund, which triggered Loken to experience flashbacks of those moments. Upon further study by torchlight, Luther recognised Loken, but only vaguely, as he was still unsure of his captive's identity. Luther questioned Loken as to why one Legion would be spying on another, which showed Loken that the Regent was still woefully ignorant of the broader events of the Heresy that currently raged throughout the galaxy. Though he wished to tell Luther the full truth, he felt that Caliban was surrounded by darkness and would eventually turn. Unsatisfied, Luther took his leave from Loken's cell.
The Knight-Errant was then confronted by a small hooded figure in his cell -- a Watcher in the Dark. Through telepathy, he gave Loken a small fraction of his abilities to sense Luther's feelings. The creature would not offer an explanation as to its presence, and instead freed him from his bondage. He wanted Loken to explain to both Dorn and the Sigillite what he had witnessed -- that Luther was ignorant of the wider events of the Heresy, and that he was ambitious and felt resentment towards the Lion. This only complicated Loken's mission, as Terra had no clue as to the Lion's true loyalties. During his escape, Loken was discovered by a mysterious figure who had snuck up on him and held a power blade to his throat. Startling the Knight-Errant, the figure said Loken's name. He explained that he was the Lord Cypher, and proceeded to assist Loken in his escape. When they encounter a lone Dark Angels sentry, Lord Cypher ordered the guard to hold, in order for Loken to subdue him. Unfortunately, this was not enough, and Qruze methodically killed the guard in cold blood with his Stalker-pattern Bolter.
Enraged over Qruze's callous disregard, he chastised the older Knight-Errant for the necessity of such a brutal action, explaining that with this one Dark Angel's death, it might now tip the scales of loyalty against the Imperium. The veteran warrior dismissed Loken's misgivings, explaining that the sentry was not the first loyal servant of the Imperium he had killed, nor would he be the last. With the help of Lord Cypher, the two Knight-Errants made good their escape from the dungeon of the fortress-monastery. Even though the pair of Knights-Errant hand failed in their original mission, they had perhaps, found something greater -- a potential recruit in the form of Lord Cypher. The Dark Angel was aware of the wider events of the galaxy, but explained that events on Caliban were complex. Qruze offered his old comrade the opportunity to become one of Malcador's agents, but ultimately, Cypher refused his generous offer, for he would continue to serve in the shadows -- loyal, but unremembered and unknown.
Baal (ca. 008.M31)Edit
After the majority of the Blood Angels Space Marine Legion and their Primarch Sanguinius, disappeared in the Signus System in 005.M31 and were presumed lost, Rubio was sent by Malcador the Sigillite to Baal to meet with Warden Arkad, the acting Regent of Baal. Arkand and twenty fellow Blood Angels stood guard on their Legion's home world, desperate for news of their brothers, but all travel and communication with the Signus System has been effectively blocked by the malignant Ruinstorm between the two systems. Surprised by the arrival of Rubio, the Knight Errant had the misfortune of being the bearer of bad tidings: by order of the Regent of Terra, the Blood Angels Legion were hereby ordered to disband and have their Legion's resources divided amongst the remaining Loyalist Legions. Warden Arkad and his battle-brothers vehemently protested the Sigillite's command, arguing that as long as a single Son of Sanguinius yet drew breath, they could indeed rebuild their Legion. But due to serious time constraints, the Loyalists could ill-afford letting such valuable resources fall into the hands of the Traitors.
Rubio sympathised with his cousins' outrage and the pain over the disbandment of the Blood Angels, for he knew what it was like to lose a Legion, having been exiled from his own due to his violation of the Emperor's Decree Absolute when he utilised his powers to save Agentia Primus Garro on Calth. The Knight-Errant went on to explain that a new organisation was being formed in order to counter the dark powers that Horus Lupercal had aligned himself with. Disregarding the Sigillite's messenger, Warden Arkad and his battle-brothers vowed to undertake a suicidal journey in order to find their missing Primarch or carry the fight directly to the Warmaster himself. When Rubio attempted to stop Arkad, the Librarian came close to being slain by the remaining Blood Angels, but was miraculously saved by an unexpected astropathic message received from the Signus System, stating that Sangunius and the Blood Angels yet lived. Warden Arkad ordered Rubio to depart Baal, for he would have to return to the Sigillite empty-handed. Satisfied that the Blood Angels had survived, Rubio was only too happy to do so.
Malcador the Sigillite, together with Leman Russ, Primarch of the Space Wolves, conspired with Garviel Loken to hatch a most audacious plan -- to send a Knights-Errant squad to infiltrate Horus's flagship, the Vengeful Spirit, and prepare the way for an overwhelming Space Wolves assault, led by the Wolf King himself, in order to kill the Arch-Traitor. Loken was charged by the Sigillite for this vital mission, and was allowed to select his own squad members. The former Luna Wolf recruited nine of his fellow Knights-Errant including: Tylos Rubio, Macer Varren, Iacton Qruze, Rama Karayan, Ares Voitek, Altan Nohai, Callion Zaven, and Tubal Cayne. At the behest of Leman Russ, he also sent one of his own sons, Bror Tyrfingr, to become a member of the Sigillite's Knights-Errant. Loken also attempted to recruit his fellow Luna Wolf, Severian, but he refused to join a mission -- one he felt was a doomed prospect. Although, when the Knights-Errant prepared to depart Terra, Severian later changed his mind and joined them anyways. Utilising the technologically advanced stealth vessel, Tarnhelm, and guided by Tubal Cayne's advanced sensors and strategic planning, the brave squad was able to successfully infiltrate the Warmaster's flagship undetected.
As they moved deeper into the bowels of the massive Gloriana-class Battleship, Bror Tyrfingr left futharc runes at various points throughout the vessel to guide a future Space Wolves assault. Before long, the Knights-Errants' presence didn't go undetected, as they encountered various resistance throughout the massive warship. Some of the Knights-Errant died during these skirmishes, and the remainder of the squad were captured and brought to Lupercal's Court, before the Warmaster himself. Horus attempted to tempt Loken into rejoining him, and though tempted by his father's offer, the stalwart Knight-Errant defied his former Primarch which allowed his fellow Knights to turn upon their captors. Several more of Loken's squad were slain in the subsequent fighting as the Knights-Errant made good their escape when the Tarnhelm shot out the windows of the audience chamber, sucking them out into the void. Varren, Voitek and a rescued Ultramarines survivor from the surface of Molech, Centurion Proximo Tarchon, were put into a Sus-an-induced healing comas while Rubio recovered from the ordeal. Both Bror Tyrfingr and Severian convinced their squad leader that the mission's failure was not Loken's fault.
Twenty original members of the Knights-Errant were recruited directly by Malcador with others being recruited second-hand. Known members include the following:
|Former Battle-Captain of the 7th Great Company, it was Nathaniel Garro who brought word of the Warmaster's betrayal at Istvaan III to Terra. He was the first to be recruited as Malcador's Knights-Errant, and was made his Agentia Primus.|
|A former Codicier of the Ultramarines Legion, after the Decrees of Nikaea forbidding the use of psyker abilities he was reassigned to the 21st Company, and was later recruited by Nathaniel Garro, during the infamous Battle of Calth.|
|A former Captain of the 12th Company of the traitorous World Eaters Legion, Captain Varren remained steadfastly loyal to the Emperor, despite his Legion throwing in their lot with the Warmaster. He would later be recruited by Nathaniel Garro into the ranks of the 'Chosen of Malcador'.|
|Garviel Loken was the Captain of the Luna Wolves (later Sons of Horus) Space Marine Legion's 10th Company during the last days of the Great Crusade and up until the Istvaan III Atrocity that initiated the Horus Heresy. He was also a member of the Mournival, the Warmaster's personal comrades and confidants. During the betrayal at Istvaan III, Loken fought on the side of the Loyalists, and eventually faced down his former comrade, First-Captain Ezekyle Abaddon in battle. He was gravely wounded and left for dead, and thought to have died in the Traitor's final orbital bombardment. Miraculously, he survived the onslaught and was rescued by Nathaniel Garro and Macer Varren many months later, becoming a Knight-Errant.|
|Iacton Qruze, "The Half-Heard," was the Captain of the 3rd Company of the Luna Wolves (and later, Sons of Horus) Legion during the Great Crusade and the opening days of the Horus Heresy. Qruze was a very old Space Marine who was a native of Cthonia. During the events of the Istvaan Atrocity, he escaped alongside two civilians of the Remembrancer order and fled with other Loyalists aboard the Death Guard frigate Eisenstein to bring the news of Horus' betrayal to the Emperor. He was later recruited by the Sigillite to become a Knights-Errant. He would later die at the hands of Horus during a failed assassination attempt aboard the Warmaster's flagship, the Vengeful Spirit.|
|Servrian was a Luna Wolves Legionary that was chosen to serve as a part of the Crusader Host upon Terra at the outset of the Great Crusade, serving on the Throneworld for approximately 170 years, and was absent for the majority of the Great Crusade, before the Warmaster's betrayal at Istvaan III. Due to his affiliation to a Traitor Legion, he was imprisoned in Khangba Marwu with other Crusader Host Legionaries, but later escaped. He was eventually tracked down by the expert hunter, Yasu Nagasena, who fought the Luna Wolf, and was easily bested. He was later captured by agents of the Sigillite and recruited to become a Knight-Errant. His latent precognitive abilities would later be put to use in forming the Grey Knights Chapter.|
|Tubal Cayne was an Iron Warriors Legionary that was chosen to serve as a part of the Crusader Host upon Terra at the outset of the Great Crusade. With Horus's treachery revealed, he was imprisoned in Khangba Marwu with other Crusader Host Legionaries, but eventually had his sentence commuted by the Sigillite, and was offered a place within the ranks of the Knights-Errant. He was later killed aboard the Sons of Horus' flagship, the Vengeful Spirit, during the failed assassination attempt on the Warmaster, after the Knights-Errant infiltrated the vessel following the Battle of Molech.|
|An Iron Father and member of the stoic Iron Hands Legin, Ares Voitek was recruited by agents of Malcordor sometime following the Dropsite Massacre at Istvaan V. Possibly, he might have been a survivor of this disastrous battle. He was later critically injured aboard the Sons of Horus's flagship, Vengeful Spirit, during the failed attempt to assassinate the Warmaster. He was put into an induced coma to heal from his grievous wounds. His ultimate fate is unknown.|
|Bror Tyrfingr was a Legionary of the ferocious Space Wolves Legion and fought during the many campaigns of the Great Crusade and Horus Heresy. After the Warmaster's treachery at Istvaan III was revealed, Malcador, Rogal Dorn and Bror's Primarch Leman Russ hatched a plan to infiltrate a Knights-Errant strike force aboard the Warmaster's flagship, in order to assassinate him, and hopefully end the Horus Heresy. Bror was ordered by his Primarch to become a member of the Sigillite's Knights-Errant. During the subsequent failed attempt, the team was eventually discovered and forced to fight for their lives. In the ensuing conflagration, Bror managed to rip out the throat of Tormageddon, a daemon that resided within the host remains of the brain dead Sons of Horus, Ger Gerradon. He eventually fled aboard the stealth ship Tarnhelm after it was forced to fire into Lupercal's Court, the Warmaster's self-styled throne room, which created a distraction and allowed the Knights-Errant to make good their escape.|
|Rama Karayan was a Legionary of the Raven Guard who served during many campaigns of the Great Crusade and Horus Heresy. During the outbreak of the Heresy, he was recruited to become a member of the Sigillite's Knights-Errant. He would later befriend the White Scars Apothecary Altan Nohai, who taught he Chogorian martial arts. During the failed assassination attempt aboard the Sons of Horus' flagship, Vengeful Spirit, Karayan would met his ultimate fate at the hands of Grael Noctua, Captain of the Sons of Horus 25th Company, and member of the Mournival.|
|Altan Nohai was a former Apothecary of the White Scars Legion during the Great Crusade and opening days of the Horus Heresy, before later joining the ranks of the Sigillite's Knights-Errant. He later befriended the Raven Guard Rama Karayan, and taught him the fighting methods of Chogoris tribesmen. Nohai was later killed aboard the Sons of Horus flagship Vengeful Spirit during the failed assassination attempt on the Warmaster.|
|Callion Zaven was a Terran-borne veteran Legionary of the Emperor's Children Legion during the Great Crusade who fought in the earliest campaigns of to reconquer the Solar System. He saw fighting on Jupiter during the early years of the Great Crusade where he was gravely wounded, before the discovery of his Primarch Fulgrim on the world of Chemos. By the time he got out of the apothecarion, his Legion had already moved on without him and he soon found himself reluctantly serving as his Legion's emissary in the Crusader Host, and would do so for many decades, until the Warmaster's betrayal was revealed at Istvaan III. With Horus's treachery revealed he was imprisoned in Khangba Marwu with the other Crusader Host Legionaries, but eventually had his sentence commuted by the Sigillite, and was offered a place within the ranks of the Knights-Errant. He was killed aboard the Sons of Horus's flagship, Vengeful Spirit, during the failed assassination attempt on the Warmaster.|
|Ison was a former Librarian of an unidentified Legion that was later recruited into the ranks of the Knights-Errant. For unknown reasons, he vehemently hated his old Legion, though it has not been revealed what Legion he originally belonged to.|
|His origins unknown, it was believed that the Nemean was a former officer of the Ist Legion -- the Dark Angels. Unconfirmed rumours circulated that he was a survivor of the Rangdan Xenocides, the apocalyptic conflict that saw the nascent Imperium threatened with destruction, and he had already entered into the legends of the Legiones Astartes long before the Horus Heresy. He was later separated from his Legion and established the Dark Brotherhood, an infamous and feared Blackshield force that sought to carve out their own domain deep within the Eridayn Cataract during the middle years of the Horus Heresy. He garnered a reputation throughout the Pale Stars, and was later recruited by Nathaniel Garro to join the ranks of the Knights-Errant.|
|Helig Gallor was a former Legionary of the Death Guard Legion, known to be grave but strong of character. He faithfully served his Legion during many campaigns of the Great Crusade. During the Warmaster's betrayal at Istvaan III, he, along with other Loyalist members of the Death Guard, fled with Battle-Captain Nathaniel Garro aboard the frigate Eisenstein, to carry word of the Warmaster's treachery to Terra. He, along with his fellow Death Guard Legionaries, who became known as "The Seventy", were later remanded in custody to the Sisters of Silence within their citadel upon Luna, until their fate could be determined by the Regent of Terra. He was later offered the chance to join the ranks of the Knights-Errant.|
|Bajun Kyda, known also as "The Bull of the Seventh," was a former Legionary of the Death Guard's 7th Great Company during the Great Crusade. He would later be a part of "The Seventy," the Loyalist Death Guard Legionaries who fled alongside Battle-Captain Garro aboard the frigate Eisenstein during the Istvaan III atrocity. Remanded in custody to the Sisters of Silence within their citadel upon Luna, Kyda chafed at the inaction and thirsted for the sting of battle. He was later offered the chance to join the ranks of the Knights-Errant, but was tragically killed during his first mission upon the world of Proxima Majoris.|
|Dravian Klayde, known as "The Carrion," due to his terrible wounds he received during the Breg-shei Eradication, was a former Sergeant of the Raven Guard Legion. Undergoing extensive augmentic repairs, Klayde was selected for training on Mars to become a Techmarine but would never achieve this rank, as the very day he and his fellow Space Marines were to take their Covenant, the Schism of Mars erupted. Escaping to Terra, he was invited to join the ranks of the Sigillite's Knights-Errant, and was later sent back to Mars to undertake a dangerous mission -- to destroy Vertex Australis, and wipe out all life on Mars, thereby cutting off the Traitors supply of arms and equipment. During this valiant attempt he seemingly died fighting his former friend and ally, the now-corrupted Iron Warrior Aulus Scaramanca.|
|Revuel Arvida was a Sergeant of the Thousand Sons Legion's 4th Fellowship and a member of its Corvidae Cult during the Great Crusade and the opening days of the Horus Heresy. His Fellowship later returned to their homeworld months after the Scouring of Prospero, to seek out any survivors. But instead, he and his fellow Legionaries wee waylaid by a force of World Eaters, and all of them were killed, with the exception of Sergeant Arvida. After an unknown amount of time, he discovered a White Scars force, led by Primarch Jaghatai Khan, upon Prospero. They were there to ascertain what exactly had occurred, as they were still unsure as to which side of the galaxy-wide conflict they should side with. Making himself known, he later fought alongside the White Scars against a strike force of elite Death Guard, led by their Primarch Mortarion. Arvida was later taken from the planet's surface to recover from wounds he received in battle, and would later join the White Scars in their fight against the Traitors. He would also play an instrumental role in helping the Vth Legion circumvent the raging Ruinstorm, find a safe route back to Terra. After guiding the White Scars fleet to the outskirts of the Solar System, he fell into a coma, succumbing to "the Change," a debilitating physical mutation that affected the Thousand Sons' gene-seed. He was later taken by Khalid Hassan, an agent of the Sigillite, who promised the attendant White Scars Stormseers that they would help Arvida, as they had been waiting his imminent arrival.|
|Zharost was the former Chief Librarian of the Night Lords Legion. Within a few years after his legion's reunification with their Primarch Konrad Curze on Nostramo, Zharost was one of the few ill-favoured and withering remnants of Terran Legionaries that still served in the VIIIth Legion. After the Emperor's Decree Absolute during the Council of Nikaea, Zharost sought a private audience with First Captain Jago Sevatarion, who had been left in temporary command in their Primarch's absence. He demanded that Sevatar render judgment against their Legion's Librarius -- and himself. Zharost was cast out. He would no longer be of the Eighth -- his hands were to be stained red. The First Captain condemned Zharost to death, should they ever meet again. The Chief Librarian returned to Terra, to the place of his birth, amongst the prison sinks beneath Albia. Eventually he was hunted by an unknown assailant, a Legionary clad in plain grey and unburnished armour, and captured. Facing his imminent execution, he utilised his psychic powers to show his would-be executioner his past. He also looked into the Knight-Errant's mind and was shocked when he saw the memories of betrayal and oath-breaking. Once he recovered, the Knight-Errant of Malcador informed the former Chief Librarian, that he had not come to judge him. For that right belonged to another. Understanding his fate, Zharost willingly left with the Knight-Errant.|
- Paragon Bolter - The Knights-Errant were outfitted with the finest crafted panoply of arms and armour that the Sigillite's household could procure, the plain grey heraldry belying the peerless quality of the underlying workmanship.
- Master-Crafted Bolt Pistol
- Master-Crafted Power Weapon
- Iron Halo
- Artificer Armour
- Frag & Krak Grenades
A Knight-Errant may take one of the following:
A Knight-Errant may replace his power weapon with one of the following:
A Knight-Errant may replace his paragon bolter with one of the following:
A Knight-Errant may replace his master-crafted bolt pistol with one of the following:
Having foresworn their oaths to their Legions, the Knights-Errant wore artificer-wrought battle plate scoured to ceremite gunmetal grey and bore no sigil other than that of Malcador. Despite renouncing former ties, many Knights-Errant retained some token of their former identity, varying from a simple keepsake of a battle of old to a favoured weapon too potent to set aside. In the aftermath of the Schism of Mars, during which the Imperial Fists were able to extricate stockpiles of the new Mark VI "Corvus" pattern Legiones Astartes Power Armour, the Knights-Errant were equipped with the very finest examples of this class of armour as well as whatever other master-wrought weapons and equipment they required to prosecute the Sigillite's far-rearching Silent War.
Members of the Knights-Errant were marked with the personal sigil of Malcador the Sigillite himself -- a stylised letter "I" with three horizontal lines through its center, the icon that would later become infamous across the galaxy after the Heresy, as this symbol would be the precursor to the Inquisitorial Seal of the Inquisition.
- The Horus Heresy - Book Six: Retribution by Alan Bligh, pp. 16-17, 19, 30, 84, 88-91, 208-213
- The Flight of the Eisenstein (Novel) by James Swallow
- Garro: Oath of Moment (Audio Book) by James Swallow
- Garro: Sword of Truth (Audio Book) by James Swallow
- Garro: Legion of One (Audio Book) by James Swallow
- Burden of Duty (Audio Book) by James Swallow
- Grey Angel (Audio Book) by James Swallow
- Black Library Weekender - Volume Two, "Lost Sons," by James Swallow
- Vengeful Spirit (Novel) by Graham McNeill
- The Watcher (Audio Drama) by C.Z. Dunn
- Ghosts Speak Not (Ebook) by James Swallow
- Patience (Short Story) by James Swallow
- Cybernetica (Novella) by Rob Sanders
- The Path of Heaven (Novel) by Chris Wraight, Epilogue
- Child of the Night (Short Story) by John French
- Black Library Blog: The High Lords of Terra Convene (Link Defunct)
- Forge World - Nathaniel Garro, Hand of the Sigillite
- Forge World - Knight-Errant Tylos Rubio
- Forge World - The Knights-Errant