public static byte[] unsealBox(int reward) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.writeShort(SendPacketOpcode.SHOW_SPECIAL_EFFECT.getValue());
        mplew.write(0x31);
        mplew.write(1);
        mplew.writeInt(reward);
        mplew.writeInt(1);


        return mplew.getPacket();
    }