public static byte[] DublStart(boolean dark) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
            mplew.writeShort(SendPacketOpcode.SHOW_SPECIAL_EFFECT.getValue());
            mplew.write(0x28);
            mplew.write(dark ? 1 : 0);

            return mplew.getPacket();
        }