The Oracle's Grotto (2020)

From publisher blurb:

Adventurers often need information. Sages, diviners, oracles—they're all useful things to have in your GM's Toolkit! Here’s an oracle you can drop straight into your fantasy campaign.

In the heart of the city, carved into the hillside on which the temple sits, is a cave. Inside the cave is a deep pool of crystal clear water. An oracle dedicated to the dawn goddess lives in the grotto. She predicts the future, from events which make the land itself tremble to whether or not a merchant will profit from a trip down-river. And her predictions, if a bit cryptic, always come true...