Hydragenum
Magic item Alchemy Ingredient
“Hydragenum” is an alchemy ingredient in The Witcher 3. Geralt makes it through alchemy from White Gull, Verbena and Ergot seeds, among other ingredients. You can buy it from this merchant: Alchemists in Toussaint. It is an ingredient in 3 recipes, including “Superior insectoid oil” and “Superior necrophage oil”.
Used in alchemy.
Value: 34 crowns
Value: 34 crownsBought by (best price first): Herbalist, Alchemist, Merchant
Regions by selling price, best first: Novigrad, Toussaint, Velen, Skellige.
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