From Pathfinder Lost Omens Rival Academies, which isn't enabled.

Wave Dashes Rocks

FEAT 10

Activity 1 action

Requirements You have a creature Grabbed or Restrained.

You slam an unlucky foe with the tremendous power of a plunging wave. Make a melee Strike against the required creature, after which they are no longer grabbed or restrained by you. This Strike must be made with an unarmed attack or a monk weapon. If you deal damage with this Strike, the target is knocked Prone and is Clumsy 1 and Enfeebled 1 until the end of its next turn.

Pathfinder Lost Omens Rival AcademiesORC