Formula
CommonFun.calcBuff_8711
function CommonFun.calcBuff_8711(srcUser, targetUser, a, b, c, d, lv, damage)
if srcUser == nil or targetUser == nil then
return 0
end
local Luk = targetUser:GetProperty("Luk")
local A = 0
if 250 <= Luk then
A = (Luk - 250) / 500
end
return A
end