I think Clopse raises a good point, it seems like quite a bit of a decrease in dmg at first glance. Corresponding x% changes between different unit stats doesn't always produce as close an approximation as we might think. A few different things to think about. Assuming pre-existing equilibrium between two units (Unit A/Unit B), we can set our goal at maintaining said parity in isolation. As such, we would look at metrics like metal adjusted time to kill. It's not the bible because no two units are perfect substitutes/counterparts, and no two units interact only with each other. I remember intentionally tweaking scorpions not to be cost effective against levellers, and iirc andreas further increased scorpion cost ineffectiveness against levellers with a rof decrease. You may also have to look at tweaking deathmark/panzer/enforcer/monstrosity as well in response to leveller cost increase. So much of legion was balanced around leveller because leveller was so strong. That said, gotta start somewhere and a close approximation using time to kill is better than nothing. (Scorpion HP)/(Leveller dmg)*(Leveller rof), rounded up by (Leveller rof) gives 3 seconds. Scorpion's time to kill a Leveller on the other hand is 5 seconds. Adjust that 3 : 5 ratio by the metal cost ratio 6:8, (3/8) : (5/6)and we get 0.375 : 0.833 = 2.2 in favour of Levellers. With simple algebra, if we do Scorp dmg=500 and leveller cost=800, that ratio increases from 2.2 to 2.5 in favour of levellers. If we think Scorpion was not previously in equilibrium balance, we could find justification for the carried scorpion nerf against leveller of ~10-15%. I can't judge whether that's reasonable or not, up to people who know better than I do. Though it's certainly better than the approximate ~25% buff against leveller if you do nothing (Leveller cost=800, ratio goes from 2.2 to 1.66) Possible solutions off the top of my head Scorpion dmg=500, scorpion rof from 0.4 to 0.6 (maintains 2.2 ratio). A lot of side effects. If you do this, you'd want to decrease aoe effects. Probably not the best. Scorpion dmg=500, scorpion cost from 800 to 700 (2.18 ratio). This also gives you room to adjust scorpion hp from 1650 anywhere down to 1201 to compensate for side effects on it's interactions with other units (slammer/enforcer). Probably the best solution that i'd recommend. Beware side effects. For example, decreasing scorpion dmg to 500 reduces it's effectiveness against monstrosities by 50% (time to kill monstrosity goes from 20 to 30 seconds).