From Pathfinder Lost Omens High Seas, which isn't enabled.

Aquatic Pirouette

FEAT 4

Activity reaction

Prerequisites Marine Marauder Dedication

Trigger A creature targets you with a ranged attack and you can see the attacker.

Requirements You're underwater.

You spin in the water to avoid the attack. You move 5 feet in any direction, including up or down, and gain a +2 circumstance bonus to AC against the triggering attack.

Pathfinder Lost Omens High SeasORC