No Escape

TARGET: One AEPTUS ATARTES unit from your army that is within Engagement Range of that enemy unit.

EFFECT: Roll one D6, adding 1 to the result if the Accept Any Challenge, No Matter the Odds vow is active for your army. On a 4+, that enemy unit cannot Fall Back this phase and must Remain Stationary. Otherwise, that enemy unit can Fall Back this phase, but if it does, all models in that unit must take a Desperate Escape test.