Do Not Waver / Fall Back-Rally

You complete this battle tactic if any friendly
units used a fight ability and no friendly units
were destroyed this turn.
Reaction – You declare a retreat ability – No mortal damage is inflicted on the unit that used the retreat ability. In addition, after the ability is resolved, roll 1 dice for each slain model from that unit. For each 5+ you can return 1 slain model to that unit.