The Spider King could not even touch her.

He turned swiftly and made a dash at Ozma, but she held her Magic Wand over his head and the monster recoiled as if it had been struck.
"You'd better let us go," Dorothy advised him, "for you see you can't hurt us." "So I see," returned the Spider King angrily.

"Your magic is greater than mine.

But I'll not help you to escape.

If you can break the magic web my people have woven you may go; if not you must stay here and starve." With that the Spider King uttered a peculiar whistle and all the spiders disappeared.
"There is more magic in my fairyland than I dreamed of," remarked the beautiful Ozma, with a sigh of regret.