Sense Difficulty: Moderate for Capital scale power, Difficult for walker, speeder, and starfighter scale power sources, Very Difficult for personal power sources and power lines, modified by proximity. Effect: When used, this discipline allows the Jedi to become aware of the flows of physical energy around him. The Jedi can sense electrical, plasma, or magnetic discharges, even if they are hidden from view. Shielding against normal detection does not prevent a power source from being sensed by this discipline.