Obsidian Glaives

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Obsidian Glaives
Battle Cry We Shall Endure
Founding Second Founding
Successors of Ultramarines
Chapter Master Midnias
Homeworld Obstiria
Strength DEAD
Specialty Unknown
Allegiance Imperium of Man
Colours Black and bone

A chapter more self-hating than the Doom Eagles or Mortifactors. These guys were hardcore. Their homeworld had no population and thus they recruited from prisons where young boys who were faced with death sentences were interviewed by a chaplain. If the prisoner repented and wanted to extend his sentence, he would be initiated into the Obsidian Glaives. After the first phase, they then had to walk through a valley all the way to the Fortress Monastery whilst suffering from radiation poisoning. After becoming a Scout they would get deposited back onto the irradiated hell-hole they called the surface and were told to survive even if they have to kill their fellow Scouts.These guys also thought of being a Space Marine very differently than their kin. They saw it as a punishment. They also did a lot of self-flagellation. But it does not end there. They brainwashed themselves in order to learn how to fight and in the process, lose their memories. Even after all of that THEY STILL SAW THEMSELVES AS GUILTY!. They did do a few things before they were destroyed.)

What doesn’t make any sense is HOW they were destroyed. The book Penumbral Spike explains that there were approx. 500 Obsidian Glaives on the planet before the invasion, so in theory, there should be at least 300 to 500 more Glaives out in the galaxy (depending on chapter strength before the invasion).


  • Helrac Incursion - Fought Corsairs and wound up chasing them to the Space Hulk "Mote of Darkness." The first company went in and cleaned them out.
  • 987 M41 - Orikan the Diviner traps the Obsidian Glaives in a time loop where they fight Necrons while the Crons sit back and watch what happens.
  • Red Waaagh! - Whole chapter is presumed to have been destroyed by Warboss Grukk.
Chapters of the Adeptus Astartes
First Founding (M29): Blood Angels - Dark Angels - Imperial Fists - Iron Hands - Raven Guard
Salamanders - Space Wolves - Ultramarines - White Scars
Second Founding (021.M31): Angels of Absolution - Angels Encarmine - Angels Porphyr - Angels of Redemption
Angels Sanguine - Angels of Vengeance - Angels Vermillion - Aurora Chapter - Black Consuls
Black Guard - Black Templars - Blood Drinkers - Brazen Claws - Crimson Fists - Destroyers
Doom Eagles - Eagle Warriors - Excoriators - Fists Exemplar - Flesh Tearers
Genesis Chapter - Inceptors - Iron Snakes - Libators - Lions Sable - Marauders - Mortifactors
Nemesis - Novamarines - Obsidian Glaives - Patriarchs of Ulixis - Praetors of Orpheus
Rampagers - Raptors - Red Talons - Revilers - Silver Eagles - Silver Skulls - Soul Drinkers
Storm Lords - White Consuls - Wolf Brothers
Third to Twelfth Founding
Astral Claws - Angels Revenant - Charnel Guard - Dark Paladins - Executioners - Flesh Eaters - Halo Brethren
Howling Griffons - Iron Knights - Mantis Warriors - Marines Malevolent - Night Swords
Sable Swords (initial) - Scythes of the Emperor - Space Sharks - Sons of Guilliman
Thirteenth Founding (M35): Death Spectres - Exorcists
Fourteenth to Twentieth Founding: Angels of Fire - Avenging Sons - Celebrants
Twenty-First Founding
Black Dragons - Blood Gorgons - Fire Hawks
Flame Falcons - Lamenters - Minotaurs - Sons of Antaeus
Twenty-Second to
Twenty-Sixth Founding (M35-M41):
Angels of Vigilance - Celestial Lions - Dark Hunters - Disciples of Caliban - Emperor's Spears
Fire Angels - Imperial Harbingers - Iron Lords - Knights of the Raven - Marines Errant
Mentors - Fire Claws/Relictors - Star Phantoms - Subjugators
Ultima Founding
Angels of Defiance - Blades of Vengeance - Castellans of the Rift - Fulminators
Knights Cerulean - Knights of the Chalice - Knights of Thunder - Necropolis Hawks
Nemesors - Praetors of Ultramar - Rift Stalkers - Silver Drakes - Silver Templars
Sons of the Phoenix - Storm Reapers - Umbral Knights - Unnumbered Sons
Valiant Blades - Void Tridents - Wolfspear
Unknown Founding: Absolvers - Accipiters - Adulators - Angel Guard - Angels Eradicant - Astral Knights
Blood Ravens - Blood Swords - Brothers Penitent - Crimson Castellans - Crimson Consuls
Crimson Scythes - Dark Hands - Dark Sons - Death Eagles - Fire Lords - Guardians of the Covenant
Graven Spectres - Hammers of Dorn - Harbingers - Hawk Lords - Invaders - Iron Talons - Jade Dragons
Knights of Blood - Knights Unyielding - Marines Exemplar - The Nameless - Night Watch - Rainbow Warriors
Reclaimers - Red Hunters - Red Scorpions - Red Seraphs - Sable Swords (refounded) - Solar Hawks
Sons of Orar - Star Dragons - Storm Giants - Storm Wardens - Valedictors - Viper Legion - Vorpal Swords
Unsanctioned Founding: Consecrators - Sons of Medusa - Steel Confessors
Others: Adeptus Custodes - Astartes Praeses - Deathwatch - Grey Knights