uncommon air evocation move 

Cast [>>] verbal

Saving Throw basic Reflex

You jump up to 120 feet in any direction and then deal 18d6 bludgeoning damage to creatures within a 20-foot emanation after you land, with a basic Reflex save. Creatures who critically fail are also knocked prone.

Heightened (10th) The damage increases to 20d6.

LOIL, page 224.