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The Nomadic Warrior's Cookbook 2 is one of the many Key Items found throughout Elden Ring, sold by Merchant Kale in West Limgrave.
The Nomadic Warrior's Cookbook 2 is a Key Item Recipe Book that will unlock extra crafting recipes once you have obtained it.
This includes the following recipes:
You can purchase the Nomadic Warrior's Cookbook 2 from Merchant Kale at the Church of Elleh in Limgrave for 500 Runes.