From Pathfinder Lost Omens Impossible Lands, which isn't enabled.

Fey Tracker

FEAT 6

You are exceptionally skilled at noticing the subtle techniques fey use to avoid notice. You gain a +2 circumstance bonus to Survival checks to Track fey creatures, to Perception checks to Seek for Hidden fey, and to your Perception DC to resist a fey creature's attempt to Create a Diversion.

Pathfinder Lost Omens Impossible LandsOGL