Arachas venom is an alchemy ingredient in The Witcher 3: Wild Hunt that can be dismantled into venom extract. It is needed to craft the following items:
- Only 1 dose is truely needed as Geralt already has the Tawny Owl potion from the start. So the only way to brew the basic potion is by first finding or buying the recipe and then discarding the potion.
- There is a respawning Arachas west-northwest of Toderas that is an easy source for the venom.
- It seems that Armored arachas do not drop this ingredient, however Venomous arachas do but they are much higher level.
- See the GWENT standalone game version card: Arachas Venom
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