ManaRune WO Mana -outdated- Need a minor fix

--[[
    Manarune for Archlight (Version without mana healer - guardian, monk or zerker)
    Version 2.0
    By Mr Trala
]]

local config = {
    health = 95, -- %X of health to use mana rune
    runemage = 11614,
    runezerk = 11604,
    runemonk = 11632
}


Self.HealthPercent = function()
return math.abs(Self.Health()/(Self.MaxHealth()*0.01))
end


Module.New('ManaRune', function(mod)
    if Self.ItemCount(config.runemage) then
        if Self.HealthPercent() <= config.health then
            Self.UseItem(config.runemage)
            wait(400, 600)
        end
    end

    if Self.ItemCount(config.runezerk) then
        if Self.HealthPercent() <= config.health then
            Self.UseItem(config.runezerk)
            wait(400, 600)
        end
    end

    if Self.ItemCount(config.runemonk) then
        if Self.HealthPercent() <= config.health then
            Self.UseItem(config.runemonk)
            wait(400, 600)
        end
    end
end)