Hm Ill repeat my answer then.

The combat modifiers for fatigue and terrain have same effect for combat results. It doesnt matter what the actual numbers are (v0 or v4)

If a unit loses 2 in attack it will kill less enemies per combat cycle. Its calculated with the formula 1.9% x 1.2^(attack value - defense value) As the chance to kill per combat cycle.

So on average the unit will kill only 69.4% of what it did without that -2 modifier. As all valour gives both defense and attack there is no difference in kills over time. A v4 CMAA will on average make same number of kills against another v4 CMAA as if they both were v0 and any modifiers (positive or negative) will give same effect no matter what they valour upgrade is.


CBR