pf2e.fyi
From Pathfinder Lost Omens High Seas, which isn't enabled.

Hallucinogenic Ink

FEAT 9
Prerequisites Spray Ink

Your defensive ink spray has developed the capacity to cause haunting hallucinations. A creature sprayed with your ink must attempt a Will saving throw against either your class DC or spell DC, whichever is higher. On a failure, the creature also becomes Frightened 1 (Frightened 2 on a critical failure).

Pathfinder Lost Omens High SeasORC