public static byte[] updateImpTime() {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.UPDATE_IMP_TIME.getValue());
        mplew.writeInt(0);
        mplew.writeLong(0L);

        return mplew.getPacket();
    }