Formula
CommonFun.calcBuff_4200
function CommonFun.calcBuff_4200(srcUser, targetUser, a, b, c, d, lv)
if srcUser == nil or targetUser == nil then
return 0
end
local MDef2 = srcUser:GetProperty("MDef")
local MDefPer2 = srcUser:GetProperty("MDefPer")
local A = MDef2 * (1 + MDefPer2) * 2
return A
end