Avenging Sons

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Avenging Sons
Avenging Sons Shoulder Pad.jpg
Founding 19th Founding
Successors of Ultramarines
Chapter Master Unknown
Primarch Roboute Guilliman
Homeworld Traekonnis Major
Strength 800+
Specialty Losing, strategic fuckups, Getting Reamed by Authors
Allegiance Imperium of Man
Colours Light Blue and white
Clean-Up.jpgThis page is in need of cleanup. Srsly. It's a fucking mess.


As an Ultramarines Successor Chapter, they are fanatic followers of the Codex Astartes. Most of their history is not known with only partial records of the 41st Millennium available. That said... the Chapter's companies appear to be involved in all sorts of actions. In none of those actions are they able to keep their shit together, as every known engagement has them fielding but a single company and getting outnumbered with predictable results.


Founded in the 36th Millennium from Roboute Guilliman's Gene-seed.


  • Battle of Archimedon - The Chapter's 3rd company was deployed to Archimedon. Their mission was to defend a spaceport on the planet. However, after the company suffered heavy losses, they destroyed the spaceport themselves rather than let it fall into enemy hands. The Chapter Master didn't approve of it, but refrained from censuring the company. Instead, he sent them to fight a gruelling campaign in Helmabad, which leads us to...
  • Helmabad Rebellion - The 3rd company was given the opportunity to redeem itself fighting against Chaos Cults, where they spent months dealing with non-stop fighting and the unprofessional PDF. But when the Captain learned from the company's Librarian that Helmabad was mere hours away from a full scale Demonic invasion, he got cold feet. Deciding that dying for the Emperor wasn't its own reward, he proposed abandoning the doomed world. The Chaplain obviously wasn't on board and had to be killed along with the rest of the loyal Marines. Not only that, but the Captain turned on the PDF to take the Planetary Governor hostage and turned him over to the Chaos Cults as a bargaining chip to secure safe passage off-world. The remains of the 3rd company, knowing well what they had done, decided to set course for the Eye of Terror.
  • Liberation of Antillis IV - A company of the Chapter gets overwhelmed by forces of the Black Legion. They fight to the last and detonate their position before being overrun. Their sacrifice was not entirely in vain however, as the larger campaign to retake Antillius was won by the Imperium, and a single Scout escaped on board of a Thunderhawk containing much of the Gene-seed lost during that battle. Give credit where credit is due: this one isn't as big of a fuckup as the others.
  • Harrowing of the Night Reapers The Night Reapers Chapter had been sent on penitent crusade to a dangerous backwater nebula as punishment for abandoning a Shrine World to the forces of Chaos. They went radio silent after a while, and steadly started to deviate from Codex doctrine, tactics, and equipment. Six years after last contact and many suspicious raids in the area, irrefutable proof of their attack on a Rogue Trader vessel earned them an Excommunicate Traitoris. A staggering four companies of the Avenging Sons went after them, but our chapter can't do anything right and got ambushed by the Night Reapers, who captured one of their Star Cruisers and mauled another. They blamed their humilliating defeat on "Warp flame weapons" that bypassed Void shields, so the High Lords had to send someone who could actually get shit done: The Minotaurs and the Red Hunters.
  • First Taros Intervention - The desert world of Taros gets investigated by the Administratum, as its tithe and production estimates are out-of-date. The delegation finds that, while Taros is meeting its quotas to the local Forge World, it seemed to be mining much more without growing its stockpiles beacause the Planetary Governor had been cutting a deal with the Tau. The Chapter's second company answered the request for punitive action against Taros and assaulted the Governor's palace... only to find he had already been evacuated by the Xenos. The Tau forces on the planet quickly converged upon the Astartes and kept them pinned down for two days before the Avenging Sons finally decided to evacuate. This failure to slay the treacherous Governor would set the stage for the following invasion of Taros, and its eventual failure.

Need a bunch of Space Marines to lose against your faction? Look no further!


The Chapter appears inclined to send their forces in Company strength to fight all enemies of The Emperor, which clearly hasn't been working for them in recent years, since it causes them to be defeated in detail more often than not.


Chapters of the Adeptus Astartes
First Founding
Blood Angels - Dark Angels - Imperial Fists
Iron Hands - Raven Guard - Salamanders
Space Wolves - Ultramarines - White Scars
Second Founding
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
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
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 - Angels of Retribution
Astral Knights - Blood Ravens - Blood Swords - Brazen Drakes
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 Crusaders
Iron Talons - Jade Dragons - Knights of Blood
Knights Unyielding - Marines Exemplar - The Nameless
Night Watch - Rainbow Warriors - Reclaimers
Red Hunters - Red Scorpions - Red Seraphs
Red Templars - Sable Swords (refounded) - Shadow Wolves
Solar Hawks - Sons of Orar - Star Dragons
Stormwatchers - Storm Giants - Storm Wardens
Valedictors - Viper Legion - Vorpal Swords
White Templars
Unsanctioned Founding: Consecrators - Sons of Medusa - Steel Confessors
Others: Astartes Praeses - Deathwatch - Grey Knights