[quote=@Sombrero] ... Maybe he could plough the rubble away and farm the bad guys to death? [/quote] "I, the great and mighty Wallace will strike this barrier down!" *immediately starts trying to cast a spell, before giving up after ten tries and plowing the rubble instead* ... well, that works then. A great (mediocre) wizard (peasant) destroying the barrier (rubble) with the most powerful tools in his arsenal (the equipment he uses for farming).