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

Divert Streamflow

FEAT 4

Activity reaction

Trigger You're damaged by a melee Strike by a creature in your reach.

With a brief gesture, you adapt swiftly to an attack like a flowing stream. Attempt an Athletics check to Reposition the creature who dealt the triggering damage. If you're successful, you can Step as a free action.

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