More generally, percentage by which current life is reduced per cast when LR <0% after Lower Resist and Conviction approximates the following: Percentage = 25 * (1 + ( min(E/100 , D) * √D ) ) E= Enemy Lightning Resistance integer value D= max(0 , (100-R) / 100) R= Lightning Resist integer value after Lower Resist and Conviction √D是开方