From Pathfinder Lost Omens The Mwangi Expanse, which isn't enabled.

Disorienting Venom

FEAT 9

Prerequisites Venomous Anadi

The venom injected by your fangs disorients your foes. A creature damaged by your Anadi Venom must attempt a Fortitude save against your class or spell DC, whichever is higher, or become Off-Guard for 1 round.

Pathfinder Lost Omens The Mwangi ExpanseOGL