This is a fan AU/re-write of the Warhammer 40,000 Universe, focusing on the events of an alternate Horus Heresy.

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The Saga of the Hektor Heresy

Main article: /tg/ Heresy Timeline

Writing the timeline has proven to be one of the more difficult tasks, mainly because it requires a lot of herding cats to get anons to agree on what happens when Legions interact. (We also had a bit of a problem when the guy who proposed Hektor slowly dropped out.) It's getting there.

IMPORTANT: The Great Crusade keeps to more or less the same timetable as the OU. This is because the Thirty Legions of the AU have the same Early Crusade manpower and material constraints the the Twenty in GW's 'verse. (i.e. more lines of gene-seed doesn't mean more high-quality recruits and sophisticated weaponry) In the middle Crusade, the Imperium makes slower progress, because the ~~squat~~ Core Worlds don't join peacefully, but in the last decades of the Crusade the extra gene-seed in the AU allows it to make up lost ground and get on track for Ullanor and everything after on schedule.

The Space Marine Legions

Main article: Legiones Astartes (Hektor Heresy)

The /tg/ Heresy project has created twenty-six new Legions and assumes that four "went missing" due to their heretical actions early in the Great Crusade. Each of the Primarchs created in the project is intended to be an original creation (or at least an original mixture!), rather than a "what-if?" based on a character from the OU.

While submitting a new Legion is probably a mistake - the ones that are already written cover a lot of ground - some of the Legions have been abandoned. Check the main article for developer statuses.

The Space Marine Legions of the /tg/ Heresy
Loyalist:	The Entombed - Eyes of the Emperor - Scale Bearers - Silver Cataphracts Steel Marshals - Stone Men - Thunder Kings - Void Angels - War Scribes
Traitor:	Black Augurs - The Justiciars - Eternal Zealots - Heralds of Hektor Iron Rangers - Life Bringers - Lions Rampant - Mastodontii - Sons of Fire

Notable Successor Chapters

We're still working to flesh out the SPESS MAHREEN side of the AU with more Successors. At the moment, most of those mentioned only get a few lines, but here are the better developed ones:

Angels Imperious Loyalist Successors of the Void Angels and wardens of the Markian Pact.

Brazen Wings Loyalist Successors of the Sand Keepers. They attempt to make up for their lack of psykers with careful planning.

Brothers Itinerant, Renegade Successors of the War Scribes, responsible for many acts of piracy.

Knights Draconian, Loyalist Successors of the War Scribes, embittered by their parent Legion's tragic past.

Mechanist Warriors Loyalist Successors of The Crusaders, born to be wild.

The Gore Suns, Loyalist Successors of the Void Angels, not the marines you take home to mother.

The Mercurials, Loyalist Successors of the Void Angels, experts in lightning war

Nova Defenders, Loyalist Successors of The Crusaders, guardians of an ancient relic.

Thousand Swords, Loyalist Successors of The Crusaders, never stopped Crusading.

The Crusading Exiled, Loyalist Successors of the Knights of Justice, a coalition of Chapters battered with misfortune.

Want to add your own? Here's a template for Successor Chapters

Other Notable Imperial formations

Right now we're looking at Imperial Army, mostly, because it's not clear how the Imperial Cult will differ from the OU. Of course, we do expect to see Sisters of Battle in due course, just that we haven't got to establishing their context yet.

Imperial Army

Main article: Imperial Army (Hektor Heresy)

A few things to remember about the Imperial Army:

Firstly, it's way crazier than the Imperial Guard. The Great Crusade picked up whatever crazy dudes it found and sucked them off their homeworlds so that they could make trouble on the Imperium's behalf, rather than in newly-Pacified territories. IA units could be armed with anything from cold steel to high-tech pseudo-power armour and genehancements.

A lot of the established "Imperial Guard" equipment isn't used. Not only is there no standardisation, but the mighty flashlight hasn't come into common use. (The "default" option is the autogun, but don't feel bound by that!)

The only real "rule" for the Imperial Army is that regiments ought to be about three thousand men, because this is the standard transport capacity during the Great Crusade.

Have Fun!

Inquisition

Rather under-developed. You can take it that the OU Malcador origin applies, but things diverge as the timeline moves onwards.

Notable Inquisitors

Ankorial Telesius of the Ordo Xenos, particularly notable for his actions against WAAAGH! The Beast.

Rogue Traders

Main article: Rogue Traders (Hektor Heresy)

Knight Houses

Main article: Knight Houses (Hektor Heresy)

Knights are feudal mecha warriors. What else do you want? Get in there!

Titan Legions

Legio Antsar, based on the Forge World Al-Sherar, played a major role in the Great Crusade across the Segmentum Pacificus.

Legio Cataegis "The Hurricane Legion" are native to the Forge World Ghalhal in the Markian Pact. Made up mostly of smaller Titans, Legio Cataegis was surprisingly nimble in the field.

Other Notable Chaos Formations

Main article: Hektor Heresy Chaos Forces

There's plenty of scope for weird and whacky traitors: traitor Army, Dark Mechanicus, traitor Knights, traitor Titan Legions, etc.

Knight House Castus

Main article: House Castus

House Castus is a band of renegades, formerly Imperial Knights, that worship Khorne. They are based in the Eye of Terror under the command of Chaos Lord Teutates.

Deiumaran Dragoons

Main article: Deiumaran Dragoons

The Deiumaran Dragoons is a former Imperial Army group and are currently a dangerous warband based within the Eye of Terror led by Battlemaster Merselliux Kabuhlos.

Other Human Factions

Vetrovnak Human Protectorate

Main article: Vetrovnak

The Adeptus Astartes are not the only engineered super soldier in the galaxy, just the most prolific and successful. Hailing from the Hvar cluster that sits roughly 7,000 lightyears above the galactic plane hovering over a point where the Ultima Segmentum melts into the Eastern Fringe, the vetrovnak another such breed of super soldiers designed to resist the ruinous touch of the warp. Created in M27 the vetrovnak were born from the wedding of genetic engineering to enhance humans to withstand the rigors of future intergalactic travel and xeno-nanotechnology. Faster, stronger, and far more enduring than regular humanity the vetrovnak also have been programmed at the genetic level to protect humanity and abhor the touch of the warp.

They were not made as vampires; that was the result of a brief civil war in the Hvar cluster when the vetrovnak sought to slip the tight noose of their creators. Most died at the hands of a nanomechanical virus their masters released upon them but those survived it found themselves thirsting for blood. The society of the Hvar cluster changed forever after that as the vetrovnak became the masters. Forged from the paradox caused by the genetic imperative to protect humanity and their diet they had to invent a society that would keep their “wards” content and docile enough to see offering up the very essence of their souls to their stewards as an easy price to pay. Their distant paradise is not without trouble, as the vetrovnak are born rather than made as the astartes are their ever growing and undying population will inevitably outpace the growth of their pampered human cattle. Thus in M31 they returned the to the galaxy at large, looking for new blood - human or xeno.

Xenos

Main article: Xenos of the Hektor Heresy

We got all kinds of crazy Xenos and room for plenty more. Whether you want to fluff up a Craftworld, a WAAAGH!, or a homebrew, grab your keyboard and get writing!

Atlas of the Hektor Heresy

Main article: Atlas of the Hektor Heresy

For those who want to understand how things fit together in space as well as time. If you're adding new dudes, please make sure to work out where they hang out.

31k-40k Dump

Main article: /tg/ Heresy 31k-40k Dump

Our current primary concern is the Heresy, but naturally some consequences of The /tg/ Heresy on the 40k universe need to be discussed.

Writefaggotry

Main article: /tg/ Heresy Writefaggotry

This project has attracted a reasonable amount of attention from write-fags. We welcome further contributions. Especially from edit-fags. (Not so much from vandals.)