Ulri Mountain at night
The Hunt For Bubbul Gems! Quest line
47 total Bubbul Gems
The Mystic Headpiece is an armor piece found in Tears of the Kingdom.
Tears of the Kingdom
"Headgear acquired in exchange for Bubbul gems. Made with prayers to spirits, it protects the wearer, allowing them to lose rupees instead of health when hit."
This set can not be enhanced.