[Chris_Byler]

But they already basically negate most mundane weapons. If they negated magic *too* they'd be invincible (except for trample).

Don't forget that they can push drain-3, which raises MR and increases fatigue costs for enemy casters. (Are their own mages immune to the fatigue penalty as well as the research penalty?) And they have Tempering the Will for MR, if you know you're going to need it.

It would be nice if they had some national spell that was like Curse of Stones for mages only, though. All magical energy becomes more difficult to access and spellcasting becomes 50% more fatiguing for the remainder of the battle. (And their own mages have earthpower to partly compensate...)