I have to say, even though he's just a minor character, playing as Blurcho is... illuminating. The regeneration thing completely changes culture. How troll think, how they fight etc, it's all centered around that.
Like only a complete madman would throw a brick at someone's head over a minor slight. But if everyone heals 10 hp a round, then... it's not that crazy anymore? Sticks and Stones will break my bones, but only for a moment.