Fanatical Devotion

Select one enemy unit that is within Engagement Range of a patriarch, primus or magus. One friendly core unit that is within 6" of that enemy unit and not within Engagement Range of any enemy units can perform a Heroic Intervention. Each model in that friendly core unit can move up to 6" and does not have to finish that move closer to the closest enemy model. At least one model from that unit must end that move within Engagement Range of the selected enemy unit, and no models from that unit can end that m