The Adeptus Mechanicus are the mechanics and engineers of the Imperium. The are the keepers of sacred knowledge and the privileged few that know how to run the many machines that are vital to keeping the Empire alive.

Secutors are members of military sects and formations within the Adeptus Mechanicus that devote themselves to the art of warfare with a fervour other tech-priests normally reserve for tinkering with ancient technology. Huge creatures of steel, bedecked in powerful and sometimes ancient weaponry, they embody the military potential of the Mechanicus in the arts of siege warfare, destruction and death.