local t = {
    {20, 2160, 3, 124124}
    {50, 2160, 5, 429384}
    {100, 2160, 10, 423094}
}

function onAdvance(cid, skill, oldLevel, newLevel)
    for k, v in pairs(t) do
        if newLevel >= k and getPlayerStorageValue(cid, v[4]) == EMPTY_STORAGE then
            doPlayerAddItem(cid, v[2], v[3], false)
            setPlayerStorageValue(cid, v[4], 1)
        end
    end
    return true
end