function onKill(cid, target)

local ringId = 8302
local percent = 0.25 -- 25%
local maxExp = 150000 -- quando ele checar a isso de exp o ring é deletado

    local exp = getExperienceStage(getPlayerLevel(cid), getVocationInfo(getPlayerVocation(cid)).experienceMultiplier)
    local count = math.floor(((getMonsterInfo(string.lower(getCreatureName(target))).experience * exp) * percent))

    if(getPlayerSlotItem(cid, CONST_SLOT_AMMO).itemid == ringId) then
        if(getPlayerStorageValue(cid, 738921) < maxExp) then
            doPlayerAddExperience(cid, count)
            doSendAnimatedText(getThingPosition(cid), "+ " .. count, math.random(50, 60))
            setPlayerStorageValue(cid, 738921, getPlayerStorageValue(cid, 738921) + count)
        else
            doPlayerSendTextMessage(cid, 27, "Você já chegou ao máximo permitido, compre um anel novo.")
            doRemoveItem(getPlayerSlotItem(cid, CONST_SLOT_AMMO).uid)
            setPlayerStorageValue(cid, 738921, 0)
        end
    end

    return true
end