Pay 1 Force Equip
Equipped Dark Jedi or Sith gets " Choose a card type and then look at your opponent's hand. Put a number of corruption counters on a unit for each card of the chosen type in your opponent's hand. You lose Force equal to the number of corruption counters placed on that unit. Play only during your build step."
You do not need to possess that much Force or any Force at all. You still add the full number of corruption counters.