Many of the Orks' starships rushed to prevent the attacks on the outer planets of their home system, leaving the central planet dangerously vulnerable and exposed to the waiting main body of the Imperial forces, led by the Astartes of the Luna Wolves Legion. This offensive was a decoy to draw the majority of the Orks forces away from Ullanor Prime, though it proved quite effective. The White Scars and Ultramarines Space Marine Legions, supported by the Excertus Imperialis and other forces such as the Legio Titanicus of the Mechanicum, attacked the outer planets of the Ullanor System. Horus, a strategic genius even among the Primarchs, employed the use of his now-famous "Speartip" tactic to destroy the Ork Empire by removing its head so that the body would collapse under its own weight. The central foundation of his empire was a dozen planets, originally inhabited by humans, which had been conquered and enslaved by the Orks. The Ullanor Sector was ruled over by the Ork Overlord Urrlak Urruk from the world of the same name. Their hurt feelings over his seeming abandonment of the Great Crusade to pursue a secret project whose purpose he chose not to reveal to his genetic sons laid the seeds of corruption that would ultimately blossom into the Horus Heresy. Horus was raised to the rank of Imperial Warmaster and given command authority over all of his fellow Primarchs and every Expeditionary Fleet of the Great Crusade.īut the Primarchs never came to terms with the Emperor's absence. In His place to command the vast forces of the Great Crusade He left the Primarch Horus. The Orks of Ullanor represented the largest concentration of Orks ever defeated by the military forces of the Imperium of Man before the War of the Beast fought in the mid-32nd Millennium and the Third War for Armageddon in the late 41st Millennium.įollowing the defeat of the Orks of Ullanor, the Emperor of Mankind returned to Terra to begin work on His great, secret project to open up the Aeldari Webway for humanity's use.
The Ullanor Crusade marked the high point of the Great Crusade's vast effort to reunite the scattered colony worlds of humanity. The Crusade included the deployment of 100,000 Space Marines, 8,000,000 Imperial Army troops, and six hundred Imperial starships of the Imperialis Armada and their support personnel. Ullanor Prime, the capital world of this empire, and the site of the final assault, lay in the Ullanor System of the galaxy's Ullanor Sector. The Ullanor Crusade was a vast Imperial assault on the Ork Empire of the Greenskin Overlord Urrlak Urruk during the Great Crusade of the late 30th Millennium in ca. Ork population on Ullanor eradicated, overall Greenskin population in the Milky Way Galaxy devastated Imperial Triumph held on Ullanor marking high point of the Great Crusade Horus promoted to Imperial Warmaster Emperor of Mankind withdraws from Crusade to begin secret Imperial Webway Project on Terra