Avenging Sons

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Avenging Sons
Avenging Sons Shoulder Pad.jpg
Founding 19th Founding
Successors of Ultramarines
Chapter Master Unknown, but is probably not a high-watt bulb.
Primarch Roboute Guilliman, though clearly the tactical brilliance didn't pass on to them.
Homeworld Traekonnis Major
Strength 800+, usually falling by the minute
Specialty Losing, strategical fuckups, Getting Reamed by Authors
Allegiance Imperium of Man
Colours Light Blue and white

The Avenging Sons are the Space Marine equivalent of Jobbers; a chapter seemingly designated to be beaten down and blown up in hopelessly idiotic ways, leading to their inevitable defeat, and is usually shorthand for letting you know that a story you're reading isn't about the Imperium of Man. Why they haven't been wiped out is a mystery.


An Ultramarines Successor Chapter, they are fanatic followers of the Codex Astartes, but with a key exception in how they deploy their forces. Unlike other chapters who will send an appropriate amount of force depending on the foe, The Avenging Sons opt to drop whole companies worth of marines onto any battlefield that will have them. While most of their history is only built from partial records of the 41st Millennium, the Chapter is very active, and appear to be involved in all sorts of Imperial battlefronts, dumping company after company wherever the Emperor needs them.

But that's not a good thing.

While yes, this is a lot of Space Marines at once and for an Imperial warfront that's usually a good thing, they're apparently run by complete smoothbrains, frequently making so many rash, pointless and tactically disadvantageous decisions that they're usually a blight on whatever sector they ended up in, rather than a boon. Their penchant for glory-seeking also means that they are often hopelessly outnumbered as they're dropped into battle in places no sane person would put valuable members of the Astartes, and in general are led so poorly by even sergeant-level marines that they almost always end up in protracted conflicts, and almost always dying pointlessly; often losing whole companies in the process.

Seriously, it is a minor miracle that this chapter manages to get out of bed in the morning without losing whole companies to holes in the ground.

What charitably passes for Campaigns[edit]

  • 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 steadily 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!


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 - Purple Stars - 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 - Tiger Claws
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 - Black Vipers - 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 - Emperor's Shadows
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
Retributors - Sable Swords (refounded) - Shadow Wolves
Solar Hawks - Sons of Orar - Star Dragons
Stormwatchers - Storm Giants - Storm Wardens
Valedictors - Viper Legion - Vorpal Swords
White Templars - Storm Wings
Unsanctioned Founding: Consecrators (founding unknown, but likely after 2nd Founding)
Sons of Medusa (separated from parent Chapters, ratified by edict)
Steel Confessors (de facto 22nd Founding, de jure ratified by edict)
Others: Astartes Praeses - Deathwatch - Grey Knights