Elite among the Mechanicum’s legions, Skitarii are augmented soldiers dedicated to the discovery and reclamation of lost technology. In this episode, we delve into who (or what) they are, and their role during the dark days of the Horus Heresy. Elite among the Mechanicum’s legions, Skitarii are augmented soldiers dedicated to the discovery and reclamation of lost technology. In this episode, we delve into who (or what) they are, and their role during the dark days of the Horus Heresy.