But if it's not, you can purchase this from a few merchants in the game. Gremist on Skellige mostly has it in stock and/or the merchant at the Bloody Baron’s castle. Just check their inventory to see if it's available. Besides Oils, you can make many other useful consumables through https://guidemysocial.com/story5539849/n%C3%A3o-conhecido-fatos-sobre-thewitcher3