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IoB Grimdark
On the eve of Mankind's greatest victory, with near total domination of the stars, one of the greatest of them all, Horus, Primarch of the Sons of Horus and Warmaster of the Imperium's vast armies, turned against the light of Man. Convinced by dark whispers, he led a rebellion of massive scale against the Imperium, splitting the domain of Man in two. For nine, brutal years, the loyal servants of the Emperor fought against their traitorous brothers in a war of almost apocalyptic nature.

Eventually, they managed to make their way to the capital of the Imperium, the homeworld of Humanity - Terra itself. In the ensuing battle, countless millions gave their lives in defense of the Emperor and their Dark Gods, burning the planet, leaving it a husk of its former self. In the aftermath of the battle, Horus was dead, his very soul destroyed by the psychic might of the Emperor, and the traitors' forces were broken and fleeing. Losses on the Loyalist side were just as grievous, with untold millions lost, the Primarch of the Blood Angels, Sanguinius, lay dead, and worst of all, the Emperor himself had been mortally wounded by Horus in the final moments of the battle, forcing him to be interred upon the Golden Throne.

To rule in the Emperor's stead, the leaders of the major branches of the Imperium were brought together in a council, from which they would dictate the activities of the Imperium. Their first act was one of monumental importance, and consequence. The Great Crusade was to be renewed whilst the Imperium rebuilt, as the enemies of Man could be given no time to rest, the Horus Heresy had kept Mankind from its destiny long enough and they shall not wait any longer. Whilst the Crusade began again, an important factor, once a common sight on the battlefield, was missing. The Legiones Astartes had been nearly shattered by the Heresy, half their number had turned traitor, whilst the loyalists took massive casualties.

Rogal Dorn proposed that the Imperium should not only seek to rebuild the Legiones Astartes numbers, but eventually to expand them even further by creating new Legions. To help guide these future Legions, they would fall back on the wise tenets of the Principia Belicosa, with additional wisdom added to it by Dorn himself. With the death of the strategically brilliant strategist and organiser Roboute Guilliman at the hands of Alpha Legion assassins, Guilliman's proposed treatise, the Codex Astartes was never adopted, and the dissolution of the Space Marine Legions into separate Chapters never occurred. Soon, the old Legions returned to the field of battle, joined by brothers of a new generation, seeking to prove themselves in war against the Emperor's enemies.

Unfortunately, without the Emperor's guidance and leadership, the Second Great Crusade has suffered immensely. The High Lords and their appointed commanders remain unable to counter the threats the lurk in the darkest corners of the galaxy. Billions are slaughtered every day, victims of poorly planned assaults and ill-prepared defenses on planetary scales. In this time of everlasting war, there is only one stalwart force keeping the flame of humanity burning. The Legiones Astartes.

Legiones Astartes is set in an alternate timeline where instead of the loyalist Space Marine legions being broken up into Chapters, they were kept as legions in order to bring about a "Second Great Crusade". These legions later gave their gene-seed to serve as templates to create more legions to replace the ones that fell to Chaos during the Horus Heresy. Along with this, members of the Magos Biologis discovered a way to further augment a Space Marine to somewhat of an intermediate level, above that of a normal Astartes, and slightly less than the Primarchs. Assigned the title of Legion Master by the High Lords of Terra, these individuals were the leaders of their legions, veterans of the Great Crusade and Horus Heresy, they had to leave their legions to take up the mantle that their own Primarchs had to accept.

Legiones Astartes takes place during this Second Great Crusade, which has stretched from the 31st Millennium to the present. It tells about how the Imperium, over its proverbial head, attempts undertakings far greater than it has the capacity for, and the consequences for such actions. They only thing stopping a complete collapse from this over-exhaustion, as the Imperial Army and Navy prove incapable of defending Humanity in the absence of the Emperor, are the forces of the Legiones Astartes.

Legiones Astartes is a community collaborative project that is set in an alternate timeline where the Codex Astartes was never introduced, and as a result, the Loyalist Space Marine Legions were never broken up into smaller Chapter. Instead, the Legiones Astartes were rebuilt and further expanded in order to bring about a Second Great Crusade to reunite all that was lost during the Horus Heresy. Though this is an Alternate Universe (AU) community collaborative project which does deviate slightly from established canon, some ground rules must be put into place in order to maintain a unified vision for this project as well as maintaining a high standard for the quality of content that is expected of our editors here on the Warhammer 40,000 Fanon Wiki.

==Before Beginning==

To begin, please ensure that you have read the Legiones Astartes community collaborative project page’s Overview and What is it? sections, in order to familiarize yourself with the project's background and setting. The following sections will give you an understanding about what you can, and cannot, write about when creating a Fanon Space Marine Legion. When creating a Space Marine Legion for the Legiones Astartes universe, please ensure you utilise the Infobox LALegions in order to keep your article uniform with other Legiones Astartes Space Marine Legion pages. Also be sure to browse through the Space Marine Legions section on the Legiones Astartes project page, or the 'Ur-Legions' section on the Nova Terra Regency page, as there are already quite a few Legions that have been created. There might be one that is similar to one you had in mind to create. Though this is unfortunate, try to ensure that you create something unique and original, as this will avoid problems with being accused of plagiarization.

==Which Legion?==

Please keep in mind that there are a limited amount of slots for the number of Space Marine Legions for this project. As it stands, the Space Marine Legions of the Imperium of Man possess approximately thirty, created over the ten millennia of its existence. Most of these have already been taken. But a few are still available. Currently the VIth, Xth, XIVth, XVth, XVIIth, XXIst, XXIInd are still available. And since there are a total of thirty Legions, XXVth-XXIXth are also still available. Remember, you don’t have to write about a Legion that currently exists in the modern 41st Millennium. You can also write about a Space Marine Legion that met some unfortunate end during one of the ages of conflict that have continued to plague the Imperium down the millennia (lost in the Warp, wiped out by an unknown xenos species, an inter-Legionary conflict, ect.) The possible scenarios are endless!

If selecting a possible Space Marine Legion of the Imperium of Man doesn’t appeal to you, perhaps you might want to write about one of the so-called Ur-Legions of the Nova Terra Regency, a sizable breakaway state that rules all of the former Segmentum Pacificus and some smaller territories beyond. They seceded from the Imperium in the 33rd Millennium during an eight century long conflict, which came to be known as the Nova Terra Interregnum, and were finally formerly recognised (albeit reluctantly) by the Imperium as a sovereign empire. In order to protect their borders and interests, there were those Space Marine Legions that also sympathized with the Nova Terran Secessionists, and seceded from the Imperium, and fought on the side of the Secessionist cause. Since that time, the Nova Terra Legiones Astartes, or 'Ur-Legions', have continued to defend the Nova Terra Regency's borders and have halted numerous incursions by the various factions within the 40K Universe. As it stands there are currently only ten known Ur-Legions, but that doesn't mean you couldn’t a new one. There are numerous possible scenarios of how your Ur-Legion could've come into existence. They could've possibly been a later Founding (usually 3rd Founding or later) Space Marine Legion of the Imperium, that later broke away and joined the liberated sovereign empire for one reason or another. Or perhaps they were created following the end of the Nova Terra Interregnum. Your only limited by your imagination.


Before you begin the undertaking of writing about a Space Marine Legion, please keep in mind the following rules that you need to adhere to when creating your own Space Marine Legion:

*Size – One of the more important aspects when creating a Space Marine Legion is their size. Typically, most Space Marine Legions numbered anywhere from 7,000 on the low end of the spectrum, all the way to over 250,000 at the peak of the Imperium's technology during the latter years of the Great Crusade. These Legions are massive armies, and the size of each can vary tremendously. Some Legions are very large, while others are not. The size of each Legion is fluid, with the numbers of combat-ready legionaries dependent on the number of new recruits, the inevitable battle-losses, the availability of potential recruits, and the administrative skills of the Primarch or Legion Master and his officers. Therefore, it has been decided by the community that the following will be put into effect:

**Legions should typically number anywhere from 5,000 (least allowable amount) to no more than 150,000. Legions such as the Silver Horde which number in excess of 300,000-350,000 are a rare exception. If you wish to have a Legion that numbers larger than 150,000, please contact the project Lead Lieutenant Davis or Assistant Lead Algrim Whitefang. The leads will give due consideration to your request (provided the editor gives an adequate explanation). All requests will be considered on a case-by-case basis.

*Loyalist Traitors or Traitor Loyalists – This is often a very sticky issue with many editors. Due to the nature of the Legiones Astartes and the long term viability of a Shattered Legion or Blackshield force, the viability of maintaining sufficient gene-stock and technical competence, it is entirely possible for such formation to maintain its strength over a protracted period, provided they are able to recover zygotes from their fallen battle-brothers and are able to obtain a fresh supply of potential recruits. But keep in mind, a connection to a Traitor Legion would be considered a terrible dishonor and would most likely cast your Space Marine Legion into a negative light by your fellow brother-Legions. However, if you feel the need to create such a Legion, please contact one of the project Leads, and they will give your request due consideration on a case-by-case basis.





Lieutenant Davis Founder/Project Moderator Inactive
Algrim Whitefang Contributor Active
Achilles Prime Contributor Active
T42 Contributor Inactive
Raider XX Contributor Inactive
Anonymous ONI agent Contributor Active
SOSDarkPhoenix Contributor Active
Alpharious Omegron Contributor Nos Mortem Active

Legion Number Primarch Legion Loyalty Iconography
I Lion El'Jonson Dark Angels Imperium
Dark Angels Chapter Icon
II Vulkan Raptors of Vulkan Imperium
Emp's Sons SP
III Rogal Dorn Black Templars Imperium
Black Templar Symbol
IV Roboute Guilliman (Deceased) Avenging Hawks Imperium
AH Shoulder Pad
V Jaghatai Khan White Scars Imperium
White Scars Lightning Icon
VI Open
VII Rogal Dorn Imperial Fists Imperium
Imperial Fists Icon
VIII Leman Russ Wolf Brothers Imperium
WB Shoulder Pauldron
IX Sanguinius (Deceased) Blood Angels Imperium
Alatus Cadere - Winged Droplet
X Open
XI Sanguinius (Deceased) Angels Cimmerian Imperium
AC Legion Livery Shield 1
XII Rogal Dorn Imperius Ravagers Imperium
Imp Ravagers SP 2
XIII Roboute Guilliman (Deceased) Ultramarines Imperium
Ultima Icon 2
XIV Open
XV Unknown Minotaurs Imperium
Minotaurs Icon
XVI Jaghatai Khan Thunder Lords Imperium
Thunder Lords Icon
XVIII Vulkan Salamanders Imperium
Salamanders Livery Heraldry
XIX Corvus Corax Raven Guard Imperium
RG Livery Heraldry
XX Corvus Corax Shadowlords Imperium
Shadowlords Livery Shield 1
XXI Jaghatai Khan Silver Horde Imperium
XXIII Unknown Soul Drinkers Imperium
Soul Drinkers SP
XXIV Sanguinius (Deceased) Impalers Imperium
XXX Unknown Smoke Jaguars Imperium

The Dark War (Book) by Raider XX

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