User blog comment:DirgeOfCerberus111/Adeptus Custodes Vs. Grey Knights/@comment-2253300-20111028201241/@comment-3258762-20111028202907

The only real difference between Aegis Armor and normal Errant is that Aegis has anti-daemon scribles. In fact, it is no different from the Space Wolves mk 12 Rune Armor.