Chewbacca (A):
Pay 1 Force -> Intercept (If a unit in attacking one of your Characters in the same arena as Chewbacca, it now attacks Chewbacca instead.) Pay 3 Force -> Retaliate 6 (If a unit in the same arena as Chewbacca is attacking him, he does 6 dice of damage to that unit when the attack ends.)