The Dark Mechanicum, also sometimes referred to incorrectly as the Dark Mechanicus, and who refer to themselves as the ' New Mechanicum,' is a sect of traitorous Tech-priests, members of the Collegia Titanica and Chaos Knights of the ancient Mechanicum who have become Hereteks in service to Chaos. Embracing the warp reveals technology that the primitives on Mars could never dream of wielding.' ' The path of the Omnissiah has left humanity dithering in the darkness, incapable of advancing on the paths of knowledge.