Fanatical Devotion

WHEN: Heroic Intervention step
of opponent's charge phase
TARGET: One enemy unit that is within
Engagement Range of a Patriarch, Primus,
or Magus unit.
EFFECT: One friendly Core unit within 6"
can heroically intervene up to 6". At least one
model must end in engagement range of target
enemy, and may not end in engagement range
of any other enemy unit.