Aha, finally found it for you... knew I'd seen it somewhere but couldn't remember where.
http://forum.shrapnelgames.com/showt...gic+resistance
And there is still one modifier that you are both aware of and forgetting about.
Incidently, was very impressed with the way you opened the war, I was expecting a slightly different bag of tricks from you.
It's a bummer that llamaserver stuffed the turn where I lost 80 W5E's, I did send an arrow fend mage to that battle in my updated turn file, but it wasn't processed after the server became unstuck.