Iron Cohort

HQ Detachment slots in this Support Formation must be filled by HQ Detachments chosen from the Solar Auxilia Army List. HQ Detachments chosen from the Solar Auxilia Army List in this Support Formation gain the Cortex Controller special rule.

Optional Support, Vanguard and Bastion Detachment slots in this Support Formation must be filled with Detachments from the Mechanicum Taghmata Army List. Detachments taken from the Mechanicum Taghmata Army List in this way must have the Cybernetica Cortex (X) special rule.

Compulsory Support Detachment slots in this Support Formation must be filled with Tech-priest Auxilia Detachments from the Mechanicum Taghmata Army List.

Core Detachment slots in this Support formation may be filled by Core Detachments chosen from the Solar Auxilia Army List or with Thallax Cohort Detachments chosen from the Mechanicum Taghmata Army List.

A Solar Auxilia Infantry model increases its CAF by 1 while in base to base contact with one or more friendly Solar Auxilia Infantry models. If a Detachment is Garrisoned within a Structure, it is presumed to be in base contact with at least one other model from that Detachment.