public static byte[] expeditionLeaderChanged(int newLeader) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.EXPEDITION_OPERATION.getValue());
            mplew.write(96);//84
            mplew.writeInt(newLeader);

            return mplew.getPacket();
        }