The material below is Open Game Content from a 3PP Product.
FORCE THRUST [GENERAL]
You may sacrifice prepared spells to create a cone of force energy.
Prerequisites: Descriptor Focus [Force], Greater Descriptor Focus [Force], ability to cast 5th-level arcane spells.
Benefit: You may, as a swift action, sacrifice a prepared spell and unleash a cone of pure force energy that extends a number of squares equal to the level of the sacrificed spell in a direction of your choice. All characters and creatures within the affected area must make a successful Reflex save (DC 15 plus the level of the sacrificed spell) or suffer a number of d6 points of damage equal to one-half the level of the sacrificed spell (round up) and be knocked prone by the force thrust.