Stomp, Greater
Psychokinesis
Your foot stomp precipitates a psychokinetic shock wave that travels along a narrow channel in the ground, spreading int creatures and objects in the area. Creatures that fail their savaing throws fall prone and take 7d6 points of damage.
Augment
For every 2 additional power points you spend, the power deals an additional 1d6 points of damage. For each additional 2d6 points of damage, the power's save DC increases by 1.