Wintry Bell Resources A material used for Resonator Ascension.

A flower blooming on the high shores. Legend has it that the Wintry Bell does not really wither. When the ancient bells born by the giant Turtoise in Gorges of Spirits resonate, they will rise again from the ice and snow.
Sources
Overworld Collection
Collection Spots
Bell-Borne Ravine
Shifang Pharmacy