The Justaerin held a station within the Sons of Horus that few other Legions could match in their own Terminator formations, serving not merely as elite shock troops but as the primarch's personal retinue, warriors permitted to stand at Horus's side in the moments that mattered most. Their distinctive Terminator plate, subtly modified from Legion pattern to reflect their exalted status, marked them as veterans who had earned a trust bordering on the familial, men Horus had watched fight and bleed since long before Davin ever poisoned his soul.
When the rebellion began, the Justaerin did not hesitate, their loyalty to the primarch outweighing whatever oath they had once sworn to distant Terra, and they became the tip of the Legion's spear in the war's most brutal close-quarters engagements. To face the Justaerin in the tightening corridors of a boarding action or the rubble of a besieged fortress was to face warriors who fought not merely with skill but with the terrible certainty that their master's cause justified any cost.
Order of battle
