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

Arcane Sight

FEAT 13

Prerequisites ability to cast the detect magic cantrip

You've trained yourself to constantly be on the lookout for magical effects, even when focusing on looking out for other things. When you are Searching, you also gain the benefits of Detect Magic unless you choose not to.

Pathfinder Lost Omens The Mwangi ExpanseOGL