Deploy on your side of table. The Circle Is Now Complete or Vader's Obsession may be played to initiate an epic duel as follows: If Vader is present with specified target, each player draws two destiny (add 1 to each destiny draw if using a lightsaber). Add character's ability.
If Vader loses, place him out of play. You lose 6 Force (9 if dueling Luke).
If Obi-Wan loses, place him out of play. Opponent loses 9 Force.
If Luke loses, opponent must choose: Cross Luke to the Dark Side and lose X Force, where X = Luke's ability. OR Lose Luke and lose triple X Force.