Kaiju's Footfalls

You channel the might and mass of a kaiju. You can cast Enlarge as an innate primal spell twice per day, targeting yourself. The first time each turn you High Jump, Leap, or Long Jump while affected by this spell, creatures of your size or smaller adjacent to where you land must attempt a reflex save against your class DC or spell DC, whichever is higher.

Failure The creature is knocked Prone.

Critical Failure The creature is knocked prone and takes 2d6 bludgeoning damage.

At 17th level, you can choose to heighten this innate enlarge spell to 4th rank.