The Rise of the Ultramarines – Part 3

Title: The Ultramarines: Titans of the Imperium

With an active fighting force of approximately a quarter of a million Space Marines, spanning vast sectors of territory under their control, the Ultramarines were a formidable force in the Imperium. Their system for supplying and training new initiates was exceptional, and their resilience was legendary. They could endure losses that would devastate other Legions. This immense strength, however, made them a prime target for traitor conspiracies.

The first major blow against the Ultramarines fell at the Battle of Calth, a conflict that would forever cast a long shadow over the subsequent wars. Yet, despite the legend of the Ultramarines’ lapis-blue armies and the strategic brilliance of their Primarch Roboute Guilliman, the true path to their power was shrouded in secrecy. The intricate and often contentious relationships the Ultramarines had with other Legions were hidden from the public eye. This concealed history would culminate in the bitter events at Calth.

The 13th Legion’s origins, like those of their counterparts, trace back to Terra during the closing years of the Unification Wars. Records from this period indicate that the 13th Legion’s initial Alpha intake, an experimental group of warriors used to assess the stability and adaptability of their gene-seed, met all parameters with no significant physical mutations. Their implanted organs matched the projected specifications, and psychologically, these initiates exhibited increased aggression and an almost obsessive dedication to completing assigned goals.

In stark contrast to other Alpha samples from the World Eaters and White Scars Legions, which showed more pronounced individualistic and fractious behaviors, the 13th Legion presented a pronounced tendency towards cohesion and hierarchical adoption.

Much of the 13th Legion’s early expansion beyond its test phase is concealed in secrecy, obscured by the profound secrecy surrounding the Emperor’s ancient gene-craft. Yet, some facts can be pieced together, painting a coherent picture of the Legion’s formative years.

The 13th Legion cast a wide net across Terra for recruitment, drawing initiates from diverse regions such as the sub-equatorial maglev clans of Panro, the war families of the Sagon enclave, the proud Midaf Hive oligarchy, and the anthropophagic tribes of the Caucasus wastes. Despite their cultural differences, these groups shared a common thread – their fierce resistance to the final stages of Unification. Each was subdued not through negotiation but through near annihilation, leading to the 13th Legion’s informal moniker: the Warborn.

As the Great Crusade progressed, the Ultramarines began to distinguish themselves. They participated alongside other Legions under the Emperor’s direct command, earning renown in notable campaigns such as the liberation of Dius and the destruction of the Scorvian xenos Empire. The Ultramarines also successfully completed numerous solo operations on planets like Lauren Sigma, Seel’s Landing, and N.

From each of these conquered human worlds, the most militant factions provided additional recruits for the Ultramarines, much like the Warborn sons of Terra had infused their initial intake. During this early phase of the Great Crusade, the brilliance of the Emperor’s grand design for his Space Marine Legions became increasingly evident. Each of his transhuman cadres proved capable of fighting on any battlefield and securing victory. However, the Emperor had intricately…

Stay tuned for the next part in this series to continue exploring the fascinating history of the Ultramarines.

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