Flameborn 
Flask of the Fell
Consumables Uncommon
The Shroud grants power to not only the Fell, but to whoever drinks from this flask.
Crafting
Mortar Used in
This item is not used in any known recipe.
Source: see “Flask of the Fell” on the Enshrouded Wiki (enshrouded.wiki.gg, CC BY-SA 4.0)