Usually, by the last mission, Wolfsten should already have "Resurrection," which is very good. We give everything to Wolfsten, destroy the first and second garrisons, and within the first or second week (I don't remember exactly, it seems there was logistics on expert difficulty), we take Tolgar's castle. I remember how annoyed I was that the king had infinite mana and runes (a cheater!). Yes, and his priests also had infinite mana. Several fire walls are brutal...