Jeweled representations of the spirit of Kethra.

She’s joined by a dozen others as you all realize that the alcoves of the shrine pillar are empty. The Hundred Hearts of Huolaeo, jeweled representations of the spirit of Kethra, Goddess of Threshold and Gates, are gone. - Backstory Codex - Investigator (RPA-BC)

The Channeling Rod gets you to a neglected cemetery, an Elven ghost is floating around checking out the graves.

• Help the ghost find its grave and ask if anyone has been around lately. She points out a grave where you find the dead Dastio brothers and no Hearts of Huolaeo.
• Trick the elven ghost that they are Dastio Bloodline, she helps you find the Dastio plot. Where you find the dead Dastio brothers and no Hearts of Huolaeo.