Shockwave

You create a wave of energy that ripples through the earth. Terrestrial creatures in the affected area must attempt a Reflex save to avoid stumbling as the shockwave shakes the ground.

Critical Success The creature is unaffected.

Success The creature is Off-Guard until the start of its next turn.

Failure The creature falls Prone.

Critical Failure As failure, plus the creature takes 1d6 bludgeoning damage.

Heightened (+1) The area increases by 5 feet (to a 20-foot cone at 2nd rank, and so on).