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The Nomadic Warrior's Cookbook 10 is one of the many Key Items found throughout Elden Ring, located in Stormveil Castle.
The Nomadic Warrior's Cookbook 10 is a Key Item Recipe Book that will unlock extra crafting recipes once you have obtained it.
This includes the following recipes:
This item can be found inside Stormveil Castle, atop the wooden rampart sections above the large courtyard manned by flamethrower traps before the Liftside Chamber.