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The Nomadic Warrior's Cookbook 19 is one of the many Key Items found throughout Elden Ring, found at the Woodfolk Ruins in the Altus Plateau.
The Nomadic Warrior's Cookbook 19 is a Key Item Recipe Book that will unlock extra crafting recipes once you have obtained it.
This includes the following recipes:
You can find this item among the Woodfolk Ruins in the central part of the Altus Plateau, to the east of the Minor Erdtree.