ASSERT(you.duration[DUR_FIRE_SHIELD]);

    {
        mpr("Your ring of flames gutters out.", MSGCH_DURATION);

    }

    if (you.duration[DUR_FIRE_SHIELD] == 5)
        mpr("Your ring of flames is guttering out.", MSGCH_WARN);

        if (is_damaging_cloud(ctype, false)

        if (is_damaging_cloud(ctype, true)

    if (you.duration[DUR_FIRE_SHIELD])
    {
        mpr("You are surrounded by a ring of flames.");
        mpr("You are immune to clouds of flame.");
    }

    if (you.duration[DUR_FIRE_SHIELD])
    {
        int color = _dur_colour( BLUE, (you.duration[DUR_FIRE_SHIELD] <= 5) );
        out.push_back(status_light(color, "RoF"));
    }

    if (you.duration[DUR_FIRE_SHIELD])
        text += "immune to fire clouds, ";

        have_any = true;
    }
    if (you.duration[DUR_FIRE_SHIELD])
    {
        result += "<green>You are immune to clouds of flame.</green>" EOL;

            if (is_damaging_cloud(type, false))

            if (is_damaging_cloud(type, want_move))

    // always harmful

    // always harmful...

        // ... unless a Ring of Flames is up and it's a fire cloud.
        if (temp && you.duration[DUR_FIRE_SHIELD])
            return (false);