public static byte[] showBackgroundEffect(String eff, int value) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.VISITOR.getValue());
        mplew.writeMapleAsciiString(eff);
        mplew.write(value);

        return mplew.getPacket();
    }