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What makes them tick?


The Sons of Corax gene-seed is derived from that of the Raven Guard and has similarly mutated over the millennia. Their skin and hair grow paler over time and turn white eventually while their eyes turn completely sea-green. They are also missing the Betcher’s Gland while their Neuroglottis and Lyman’s Ear have become especially sensitive. As such the gene-enhanced senses of the Sons of Corax are superior to their armor’s auto-senses and rival those of even the renowned Space Wolves.


The Sons of Corax hold to the belief that their gene-father Corax will one day return to lead all his sons in a final crusade against the hated Betrayers of Isstvan who nearly destroyed the XIXth Legion at the onset of the Horus Heresy. They are aware that Corax’s experiments failed because he possessed incomplete knowledge about both the cloning process and the gene-seed of the Astartes. Therefore they believe that he disappeared not to seek penance for his failed experiments with the Legion’s gene-seed but to seek knowledge that will perfect the process.

As such they revere their gene-seed all the more and have never sought to tamper with the genetic legacy of their Primarch. Their beliefs are known to none outside the Sons and the Raven Guard and these beliefs have sometimes caused friction between the two noble Chapters.

The Chapter venerates its Primarch Corax and the Lord of Mankind, the Emperor, above all others and like many other Chapters they view the Emperor not as a god but as the greatest and most powerful man to have ever lived. As Corax is descended from the Emperor, the Sons are descended from Corax himself and save the Emperor there is no other man they hold in higher regard. The Chapter has immortalized the Primarch of the XIXth Legiones Astartes by naming itself after him and it is one of the many ways in which they display their affection for him.


The Sons of Corax have earned the right to a homeworld many times over but all the High Commanders over the millennia have never accepted the offer, preferring to continue in the tradition of Taimon Naskius and the first battle-brothers of the Chapter. The warships of the chapter are the only homes that the Sons of Corax acknowledge, returning to the worlds of their birth only during recruiting missions to conduct their search for new warriors.

Fleet Disposition

As a fleet-based Chapter, the Sons of Corax possess a considerable fleet of warships and possess three battle-barges (Montisgarre, Spear of Lycaeus, and Avalerion) as well as six strike cruisers (Crusader, Chevalier, Ravenna, Talon, Raven’s Fury and Wrath of Redemption). Additionally the Chapter possesses the forge-ship Raven Song and several escort squadrons of frigates and destroyers. Each of these warships serve as the home of one of the Companies of the Chapter, which are often referred to as the Fleet Companies.

The Montisgarre serves as the chapter’s fortress-monastery and has done so ever since the first days of its founding. It is a warship that saw service with the expeditionary fleets of the XIXth Legiones Astartes for a hundred and eighty years. However it was retired to Deliverance just before the onset of the Horus Heresy because of severe damage in its last engagement. It was repurposed as a training vessel and formed part of the system fleet. When the Sons of Corax were formed in the Third Founding it was gifted to the new chapter as part of the Raven Guard contribution of war supplies.

With the necessities of their nature as a crusading chapter and their growing numbers, the Sons were quickly able to collect a sizable fleet of warships and escorts. Eventually the Adeptus Mechanicus was able to supply the chapter with a proper fleet that served their purposes and replaced their casualties. The Kiavhari Wisdom, a modified Lunar-class cruiser, was once a part of the chapter fleet and assigned to the Fourth Company. The warship served for fourteen hundred years and had an honour roll including such victories as the Adenari Campaign of 205.M33. Eventually the Kiavhari Wisdom was destroyed in a Word Bearers ambush in mid-M34 during the War of Faith in the Sarosa subsector.


Each Company is responsible for its own recruitment and the training of its recruits who are drawn from all over the Tempestus Segmentum from the worlds visited by the Fleet-Companies of the Chapter. All potential Chaplains, Librarians and Apothecaries are sent to the Montisgarre while those neophytes who display technical aptitude are sent to the forge-ship Raven Song to serve under the Chapter’s Master of the Forge. As some battle-brothers have been known to have displayed psychic potential far past their time as a novice Scout, all battle-brothers of the Chapter are regularly screened by their Company Librarians and those who show such abilities are then sent to the Montisgarre.


The Chapter symbol of the Sons of Corax is a golden raven clutching a black spear and is displayed on the left shoulder pad. The Chapter’s colour scheme is blue armour with orange kneepads, boots, chest eagle and backpack. Veterans are differentiated by their white helmets while officers wear white helmets with gold stripes.

While squad designations are never displayed, company colour is displayed as shoulder pad trims while the Company badge is displayed on the right shoulder pad:

  • 1st Company – Colour: Silver, Badge: Silver Raven/White Spear/Black Background.
  • 2nd Company – Colour: Yellow, Badge: Yellow Raven/Black Spear/White Background.
  • 3rd Company – Colour: Red, Badge: Red Raven/White Spear/Black Background.
  • 4th Company – Colour: Green, Badge: Green Raven/Black Spear/White Background.
  • 5th Company – Colour: Black, Badge: Black Raven/White Spear/Black Background.
  • 6th Company – Colour: Orange, Badge: Orange Raven/Black Spear/White Background.
  • 7th Company – Colour: Purple, Badge: Purple Raven/White Spear/Black Background.
  • 8th Company – Colour: Grey, Badge: Grey Raven/Black Spear/White Background.
  • 9th Company – Colour: Blue, Badge: Blue Raven/White Spear/Black Background.

1st Company Veteran and 2nd Company Captain



Chapter records state that the first Astartes to bear the name Sons of Corax once belonged to the Raven Guard Third and Eighth companies that were still struggling to recoup their losses following the Horus Heresy. Captain Taimon Naskius of the Raven Guard Eighth was chosen by his Chapter Master to lead the newly formed Sons of Corax and continue to protect Humanity. In the age of the Imperium’s rebirth from the ashes of its devastating civil war, Space Marine forces were needed more than ever. Several new chapters were sanctioned for the Third Founding and they took part in some of the bloodiest battles in Imperial history. Captain Naskius took the title of High Commander, a former legion rank often bestowed by the Primarch Corax upon the most preeminent fleet captain. The Sons of Corax were gifted with the battle-barge Montisgarre, a warship of the Great Crusade that had served since the Heresy as a training vessel in the Deliverance system.

High Commander Naskius established the Sons as a crusading chapter and chose the Tempestus Segmentum as his eternal warzone. In the early years of their founding the Sons worked frequently alongside their predecessors the Raven Guard and several newly commissioned Imperial Guard regiments. The Sons established cooperative pacts with many of these regiments and cemented their ties to Raven Guard. Over the years the Sons have exchanged many battle honours with their allies and the Vault of Conquest aboard Montisgarre is home to the battle standards commemorating their victories. They have earned recognition across the entirety of the Segmentum for their dedication and loyalty as well as their relentless persecution of all enemies of the Imperium.

Yet for all their nobility and their glorious battle record they have had their moments of ill-repute and campaigns that have failed. During the Frannos Heresy of 119.M37 the Chapter slaughtered hundreds of thousands of civilians of Orlin IV in order to capture the traitorous Cardinal Frannos. The Ordo Hereticus demanded custody of the prisoner but the Sons refused and executed the Cardinal publicly, an act of defiance that earned them bitter enemies amongst the Ordo. This and other incidents have created mutual distrust between the Ordo and the Chapter and the Sons have ever avoided Inquisitorial control. Given the political connections cultivated by the Chapter, the Ordo Hereticus has avoided open confrontations, preferring to work covertly.

In 533.M39 the chapter participated in an Imperial campaign to drive out the forces of Chaos in the Becoun subsector and reclaim it in the name of the Emperor. However, incompetent leadership and political infighting doomed the campaign from the start with initial victories overshadowed by one disastrous defeat after another. The 8th and 9th companies who had taken part in the campaign suffered crippling casualties and were forced to withdraw three years later lest they be wiped out completely. Over a hundred and fifty battle-brothers had been lost and it took the chapter nearly seven decades to bring both companies back to full strength.

Over the millennia, the Sons of Corax have fought a great many different foes but of all of them they prefer most to fight the renegades and traitors of the Chaos Space Marines. The Chapter nurses a particular hatred for the Betrayers of Isstvan, the Traitor Legions of the Iron Warriors, Alpha Legion, Night Lords and the Word Bearers. The Sons have brought many of their enemies’ followers to justice and their fury when dealing with these accursed followers of Chaos is unmatched.