Obtaining Refined Eitr: Step One – Sap Extractor To create Eitr weapons, you’ll need Refined Eitr, which is derived from Yggdrasil Sap. Obtain Yggdrasil Sap by collecting Yggdrasil Wood from small Yggdrasil trees and Dvergr Extractors from Dvergr settlements. Craft a Sap Extractor using the fo...