The Legio Adamantus is a Titan Legion of the Collegia Titanica, one of the military arms of the Adeptus Mechanicus. There is very little information in Imperial records about this obscure Titan Legion, and it is unknown when it was founded or even from what Forge World it hails. The Legio's existence has been confirmed by several battle-honours that all pre-date the dark times of the Horus Heresy, including the original Compliance of Istvaan III, where according to records drawn from the Raven Guard Legion, the Legio Adamantus fought with their brethren of the Legio Victorum. As no further mention has been made of the Legio since the earliest 31st Millennium, it is unknown if this Titan Legion still exists in the present 41st Millennium or even where its true allegiance laid. This effectiv