Agathean Domain - Notable Military Campaigns: Agathon Compliance (Unknown Date.M30) - For fifteen solar years Agathon successfully resisted Imperial efforts to subjugate it. Following earlier failures, the Imperium diverted the 60th Expeditionary Fleet under the command of Lord Marshal Ireton MaSade to break the deadlock. The men and women of the 1522nd Solar Auxilia Cohort prosecuted the Imperial Compliance campaign with zeal and are granted Right of Conquest over Agathon for their efforts. Ireton MaSade became the new Imperial Commander of the world of Agathon. This marks the beginning of the Agathean Domain.Treachery at Port Maw (008.M31) - Following the muster call of Grand Admiral LaBray, the Agathean cruiser squadron suffers severely from the betrayal of the Cyclothrathine Mechanicum vessels. Only the Telemachus escapes and returns safely to Agathon. However, her mortally wounded captain, Jocasta MaSade, succumbs en route and is placed in stasis.Battle of Bodt (008.M31) - Having escaped destruction during the Manachean War, elements of the 1522nd Solar Auxilia Cohort -- approximately 12,000 troops and supporting super-heavy tanks detachments under Lord Colonel Vossen -- join together with other Loyalist elements under the command of Autek Mor to assail the World Eaters' recruiting world of Bodt. Deployed as part of an interdiction force in the southern regions of Tredecimmia, the 1522nd held off several waves of robotic Battle-Automata and other battle-engines spawned by the twisted minds of the Sarum Dark Mechanicum Tech-priests to join the main fight. The Agatheans valiantly held the line before staging a bitterly fought withdrawal, mere solar hours before the entire planet was ravaged by the collision of its moon.Liberation of Numinal (009.M31) - Ireton MaSade personally led the Loyalist counter-invasion of the still-contested Agri-world of Numinal against the hated Cyclothrathine Mechanicum. In alliance with the Imperial Knights of House Orhlacc, the Loyalists use the captured vessel of Rogue Trader Charid Udine, the Hammer of the Deep, to covertly approach the star system's astropathic relay on the moon of Quachil. The destruction of the relay marks the beginning of the Liberation of Numinal proper, with thousands of troopers from the Agathean cohorts establishing a first beachhead on the planet and digging in. Expecting the reinforcement of the Agathean cruiser squadrons, the enemy leader of the Dark Mechanicum forces, Archmagos Yelav Draykavac, orders his troops to crush the beachhead before more enemy forces can land. In the ensuing battle, Cyclothrathe's robotic Battle-Automata suffered greatly as Ireton MaSade had taken the precaution to equip his troops with augmented blast-chargers, thus increasing the stopping power of his Tercio's lasrifles. Badly mauled and thrown back by the devastating close-range firepower of the Agatheans, Draykavac's forces retreated. By now secondary incursions and several insurrections where happening all across Numinal. Calculating that victory was still possible, Draykavac mobilised his remaining forces for another assault on the Loyalist landing zones. Exploiting the Loyalists' lack of heavy armour, the second assault would benefit from the support of the Knights of House Atrax and House Ærthegn. Expecting a total victory, Draykavac himself took to the field. It was, however, precisely what Ireton MaSade had intended. In high orbit the Hammer of the Deep launched two brutal-looking drop-ships, ancient Khobol-class Heavy Assault Landers older than the Great Crusade itself. With an eardrum-splitting dirge, the Knights of House Orhlacc and their allies of House Hermetika and the Renegade House Ærthegn Knights announced their presence on the battlefield. As Knight met Knight, the Agathean cohorts surged forward from their defensive positions, putting the pressure on the Cyclothrathine Taghmata. All across Numinal, Draykavac's forces were coming under assault as Loyalist Astartes and Solar Auxilia-led insurrectionists attacked and destroyed the Mechanicum conversion crawlers which had until now been protected by the Cyclothrathine Knights as they sought to convert the planet's entire population into servitors and Adsecularis thralls. Surrounded and in an inferior position Ireton MaSade's intent became clear: to kill Draykavac and thus throw the enemy into confusion. Recognising the danger he had put himself in, the archmagos did not hesitate. He sacrificed his oath-bound Knights of House Atrax and his Taghmata forces to ensure his retreat to his command compound from where he would flee the planet. Numinal once again belonged to the Imperium.Raid on Cerada Secundus (009.M31) - Four solar weeks after the successful Liberation of Numinal, the Agathean fleet attacked the vessels of Forge World Cyclothrathe, supporting the conquest of Cerada Secundus. However, against the massed war arks of the Cyclothrathine Taghmata, the Agathean cruisers would not be victorious. With severe losses, the cruiser squadrons retreated, but their efforts had not been entirely in vain: their presence forced the Taghmata to consolidate its positions, thus opening a new front and forcing the archmagi of Cyclothrathe to retreat from Cerada Secundus.Defence of Jollov (932.M41) - When Techno Magus Stannum Vir discovered valuable fragments of an STC device on the Agri-world of Jollov, before he could reclaim it, he had to first contend with a vanguard tendril of the newly emergent Tyranid Hive Fleet Moloch. The Great Devourer threatened to consume the world before the STC fragment could be discovered. At the Tech-priest's behest a courageous defence of the planet's spaceport ensued. Elements of the Catachan, Mordian, Kanak, Molov and Agathon Astra Militarum regiments die to buy enough time for the Adeptus Mechanicus to flee with the valuable technological relic.