Board Thread:Warhammer 40k General Discussion/@comment-5846164-20130211074649/@comment-5880884-20130225122451

Perhaps the emperor and malcador overcome it by their sheer power. In the Prospero burn novels, one of the thousand sons psyker could kill sisters of silence in close combat, just that he could not use his abilities, showing that perhaps with enough power(he was one of the most powerful in the legion), one could "resist" the effect.