If a stat can be boosted (in battle) 6 times, and when it is boosted 6 times it is amplified by 4X, how much does ONE stat boost amplify that stat?
1 boost-1.5 2 boost-2 3 boost-2.5 4 boost-3 5 boost-3.5 6 boost-4
One stat boost is equal to 50% of the original stat.