Page 57 of the Mordheim Rulebook, in the Magic section:
Prayers of Sigmar
#2 Hearts of Steel: Any allied warriors within 8" of the warrior become immune to Fear and All Alone tests. In addition, the whole warband gains +1 to any Rout tests they have to make.
My question is: Do I only need to cast this once to retain the benefit? Or do I need to cast it each turn? And if the latter, how would that work?
Thank you, wise gamers.