Reference Book: Star Wars Saga Edition Jedi Academy Training Manual
See also: Force Techniques
You can spend a Force Point when you activate Force Storm to to fill the storm with Force Lightning. When you activate the Force Storm, and again whenever you spend a Standard Action to maintain the Force Power, compare the results of your Use the Force check to the Reflex Defense of one target within the Force Storm's area. If the Use the Force check result equals or exceeds the target's Reflex Defense, the target takes 3d6 points of Force damage. You can spend a Destiny Point to increase the damage to 6d6 points of Force damage.