function()
    local buffName = "Twilight Ward"
    local buff = UnitAura("player", buffName)
    local timeRemain = ""

    if buff then
        local timeNow = GetTime()
        local timeExpires = select(7, UnitAura("player", buffName))
        local timeLeft = timeExpires - timeNow

        if timeLeft < 5 then
            timeRemain = math.floor(timeLeft)

            if lastTime ~= timeRemain then
                if timeRemain == 5 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                elseif timeRemain == 4 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                elseif timeRemain == 3 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                elseif timeRemain == 2 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                elseif timeRemain == 1 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                elseif timeRemain == 0 then
                    PlaySoundFile("Interface/AddOns/WeakAuras/Media/Sounds/blast.mp3")
                end
                lastTime = timeRemain
            end
        end
    end

    return tostring(timeRemain)
end