I orriginally wanted the mages to start horror marked, the occasinal horror attack would add to the unpredictable feel of the nation, while any spells/monsters that prefer horror marked targets will attack the battle mages first, but this couldn't be done.
You could give 'em a Vale of Infinite Horror as the starting site, which gives a chance of horror-marking any poor sap who stays in the capitol, in addition to unrest.
Not quite the same, but still evil.
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Are we insane yet? Are we insane yet? Aiiieeeeee...