Truesilver Armor

Target: One Grey Knight unit from your army that was selected as the target of one or more of that enemies attacks

Effect: Until end of phase, each time an attack targets your unit, worsen the AP of that attack by 1

"One unbreakable shield against the coming darkness, One last blade forged in defiance of fate, Let them be my legacy to the galaxy I conquered, And my final gift to the species I failed" - Inscription upon the Arcus Daemonica