Their last mission . For a year Lando Calrissian & Vuffi Raa, his five-armed robot astrogator, had roamed space in the Millennium Falcon,Ó seeking or creating opportunities to turn an easy, but not too dishonest, credit. But now their partnership seemed doomed -- for Lando's uncharacteristic impulse to help a race of persecuted aliens had suddenly made him & Vuffi vulnerable to several sets of their own enemies . not least of whom was the evil Rokur Gepta, the Sorcerer of Tund!.