chunk: The climax takes place in the Emerald City, where Ozma wishes (using her magic belt) for a large amount of dust to appear in the tunnel. The Nome King and his allies are defeated after they drink thirstily from the Fountain of Oblivion and forget all their evil plans. Ozma uses the magic belt to send the Nome King and his allies home. To forestall a future invasion of Oz, Glinda the Good Witch uses a magic charm to render Oz invisible and unreachable to everyone except those within the land itself.