Fratres in Augmentationem

Emblem of the Fratres in Augmentationem.

### **Location**

No specific locations; very active in the Eastern Fringe and in the nearby worlds surrounding their chapters' homeworlds.

### **Purpose**

To form an alliance that will further the Astartes who have desirable or mutations/alterations, and to protect one another from threats both within the Imperium and without.

The **Fratres in Augmentationem,** translated as "Brothers in Augmentation" from High Gothic, is a semi-official collective alliance organization of bellicose Successor Chapters which was created in the wake of the Second Mercayne Crusade that hails from the lineages of all nine Loyalist Primarchs, but that hold unique biological traits which set them apart from their fellow Astartes in terms of their ability to carry out their Chapters' specialities. These Chapters have all agreed to a mandate that all of their members must cross the Rubicon Primaris, and as of the M42.003, all member chapters are comprised entirely of the newly released Primaris Space Marines - the next generation of transhuman warriors made by Belisarius Cawl on the orders of Regent Roboute Guilliman.

These Chapters are all of like-mind when it comes to who the enemies of the Imperium truly are and they tend to be of secretive temperament. They now stand as a mutual and eternal brotherhood of watchdogs over the Eastern Fringe and one another's Chapter worlds. They will wage an eternal war against the xenos threats, renegades, and those who would make pacts with the Ruinous Powers.

## History

The foundations of the Fratres in Augmentationem would be formed during the early years of the Rampart Boars Second Mercayne Crusade between three isolated Successor Chapters from multiple gene-lines- the Rampart Boars themselves, the Steelscale Wyverns, and the Vigil Raptors. These Chapters were some of several Space Marine Chapters created from the lineage of the mighty and powerful gene-seed of the Primarchs, who all found themselves at war with the Kabal of the Twisting Bone and their uneasy alliance with the Eclipse Jackals Tagma created as one of the first of many Successors.

Never had the Eastern Fringe of the Galaxy witnessed a brotherhood of these Successor Chapters created from various altered sources of heritage, but with the acknowledgement that no one chapter could defeat the Eclipse Jackals or their Kabal allies alone and that they had all uncovered the successful genetic tinkering found in each of these chapters' respective stock, the ancient alliance had successfully managed to form on the condition that all chapters would agree to never review or steal the gene-sequence of the other chapters genetic lines or divulge their secret to the Inquisition. They banded together and drove back the Eclipse Jackals and the Mercayne Ascendancy for a time.

At first, they only comprised the lines of the Khan, Corax, and Ferrus Manus, but since the Era Indomitus the alliance has grown to include member chapters from every gene-line including the Space Wolves via their new Primaris line sons, the Beasts Undaunted.

## Induction of a Chapter

The exact nature of what must be altered or deemed desirable for the name of a Chapter to be delivered before the High Council of the Fratres is unknown. What is known is that after investigation there must be evidence found which suggests a positive effect of an alteration, mutation, procedure, or trait without suffering from a net loss on the battlefield. If the Chapter does suffer from what the Fratres deem to be a genetic "Curse" such as those of many 'Cursed Founding' Chapters, Chaos mutation, or an increased propensity to produce Wulfen or the Black Rage are deemed ineligible and information is often quietly funneled away to the Inquisition's Ordo Hereticus or Ordo Malleus. This trait is referred to as a "Causa Intrare" and is valued and hidden from the public record by the Chapter. As such the records of these traits are often plagued with secrecy, deletions and other methods of stretching or hiding the truth, both from those Astartes descended from arguable purer lines or from the other Chapters in the alliance to avoid replication of what makes them distinct.