Energy Ray

You use your energy to shoot a ray of force. Take force damage (2d4 at 1-4, 2d6 at 5-9, 2d10 at 10-14, 3d12 at 15-20 Make a ranged attack. Do 2 times the amount of damage you took to the creature. If the force damage drops you to 0 hit points you fall unconscious.