function(progress, r1, g1, b1, a1, r2, g2, b2, a2)
    local castTime = select(4,GetSpellInfo(30108))
    local castFinish = GetTime() + (castTime / 1000)
    local lastExpires = 0
    local i = 1
    while(UnitDebuff("target", i)) do
        local _, _, _, _, _, _, expires, _, _, _, spellID = UnitDebuff("target", i)
        if aura_env.UA[spellID] then
            if expires > lastExpires then
                lastExpires = expires
            end
        end
        i=i+1
    end
    if castFinish > lastExpires then
        WeakAuras.regions[aura_env.id].region:SetDesaturated(true)
    else
        WeakAuras.regions[aura_env.id].region:SetDesaturated(false)
    end
    return r1, g1, b1, a1
end