Formula
CommonFun.calcBuff_7180
function CommonFun.calcBuff_7180(srcUser, targetUser, a, b, c, d, lv, damage)
if srcUser == nil or targetUser == nil then
return 0
end
local GemValue = srcUser:GetGemValue(72162_LIFE_RISKING_ATTACK_HP_SUCKING_PERCENTAGE_WHILE_LAUNCHING_AN_AUTO_ATTACK)
local A = damage * GemValue / 100000
return A
end