User blog comment:James12708/Reapers VS. Forerunners VS. Angels from Darksiders VS. Humanity from Halo VS. Council and humanity from Mass Effect VS. Imperium of Man/@comment-50.80.96.33-20130111215612/@comment-1683193-20130111234706

Indoctrination seems to work through some sort of energy field,so theyd likely be blocked by shields. Besides,it wouldnt work on Ancillas.