Mass Effect: RPG
Your weapon is empowered by an electric field that causes additional damage to shields.
Time: Swift Action
Make an Endurance Check: The result of your check determines the effectiveness, if any:
DC 15: Your weapons damage type is Tech damage until you must reload your weapon
DC 20: as DC 15, except you deal +1 damage on you damage rolls
DC 25: as DC 15, except you deal +2 damage on you damage rolls
DC 30: as DC 15, except you deal +5 damage on you damage rolls