For over two millennia, the progena that form the many regiments of Lambdan Lions have served as auxiliaries to the Adeptus Mechanicus. Their Schola Progenium facility and Militarum Tempestus training facilities are based on the two moons that orbit the forge world of Mezoa. Ancient pacts mean that the Ordo Tempestus has assigned the Lambdan Lions to fight missions on behalf of the ruling priesthood of Mezoa, in order to reclaim lost knowledge of Imperial advancements or arcane technologies. In exchange, the Scions benefit from all manner of esoteric augmentations, which are fitted to their vehicles or built into their armour and weaponry, as well as a basic understanding of Lingua-technis -- something rare for Scions. Though they have little interaction with the Cult Mechanicus itself --