The Ordo Reductor were known for being preeminent siege specialists, destroyers and world breakers, having access to many archeotech devices and forbidden technology. Their given title, whose prefix was unusual for the servants of the Mechanicum, was invoked first by the great treaty between the Lords of Mars and the Emperor of Mankind, although their true and forgotten origins delve back into the dust and blood of the Age of Strife on the red world of their birth. By this order, a sub-clause of the very compact by which the alliance between the Mechanicum and Terra was sealed, was the Ordo Reductor created for the express purpose of sundering and destroying those who would stand against the Great Crusade. Where a new and terrible alien form of life was encountered that would not succumb t