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

Spray Ink

FEAT 1

Activity reaction

Prerequisites cecaelia merfolk heritage

Frequency once per hour

Trigger A creature hits you with a melee Strike.

Your body provides you with natural defenses common to other creatures of the sea. You spray ink against the triggering creature. The creature becomes Dazzled while the ink remains. The creature can use an Interact action to remove the ink.

Pathfinder Lost Omens High SeasORC