From Pathfinder #208: Hoof, Cinder, and Storm, which isn't enabled.

Eye of the Moonwarden

ITEM 9

Price 620 gp

Usage worn necklace

Bulk L

This beaded pendant crafted by Lyrune-Quah shamans features an uncut moonstone that warns the wearer of danger. When a hostile creature comes within 30 feet of you, the stone glows with moonlight only you can see.

Activate—Lunar Illumination (concentrate)

Frequency once per hour

Effect Bright moonlight shines out of the gem in a 30-foot emanation, forcing hostile creatures in the area to make a DC 26 Fortitude save or be Blinded for 1 round.

Pathfinder #208: Hoof, Cinder, and StormORC