Formula
CommonFun.calcBuff_6800
function CommonFun.calcBuff_6800(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local A = 0
local MAtk = srcUser:GetProperty("MAtk")
local skilllv = srcUser:GetLernedSkillLevel(1914_HUNTER:DARK_MAGIC_PROFICIENCY)
if 1 <= skilllv then
A = math.floor(MAtk / 100) * 2.0E-4 * skilllv
end
return A
end