Yep, that first ogre fight took several attempts. Since then I've gotten pretty good at keeping my warrior and Alistair healthy and buffed up as they take the bulk of the damage in the more difficult fights.
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War, war never changes. The end of the world occurred pretty much as we had predicted: Too many humans, not enough space or resources to go around. The details are trivial and pointless, the reasons, as always, purely human ones...