Black Pyrefly is a Crafting Material in Elden Ring. Black Pyrefly is a brand new Crafting Material in the Shadow of the Erdtree DLC. Crafting Materials are resources that can be obtained throughout The Lands Between and used to create a wide variety of items. Fiery butterfly with black cinder wings. Material used for crafting items. Flies in war-torn lands that have been scoured by Messmer's flame. They burn in dark and slender ribbons of fire.