Caveling Prophet Maskケイヴリングの預言者の仮面

This intricate mask seems to have been worn by an important spiritual figure.
In-game description

How to get Caveling Prophet Mask

Dig up the Digging Spot found inside a scene (building, ruin, camp and so on) (guaranteed)Where: Thread of Fate Shrine [The Desert of Beginnings] (1 per world)

Scene containers, dungeon placements, guaranteed drops and natural spawns are based on the Obtaining data of the Core Keeper Wiki (Fandom) (CC BY-SA 3.0), because these are not in the game files this site reads. Scene names are the wiki's English names.