he Triaros is the primary armoured battlefield transport of the Mechanicum Taghmata during the era of the Great Crusade and the Horus Heresy. Eschewing the more commonplace STC designs, it relies on a number of unique technologies held as arcana by the Magos Autokrator and never divulged for wider Imperial use, even by the Legiones Astartes.

Designed for use in hostile environments, it incorporates multiple galvanic traction drives and its defences are comprised not merely of brute armour, but layered techno-cant wardings and interlocking energy shields, particularly around its