and as she did this , she began to speak in a low guttural voice while she went into a trance-like state : goblins , children , elves and unicorns beware undertoads and tadpoles live in blackened and infected waters everywhere a boy-wizard has entered my icy home he shall be eaten very soon he will be seasoned and cooked in boiling water by noon in the muted light of the northumberland blue moon all children taste like chicken behold my great magic her frosty majesty began a graceful glide across the ice covered stage ; her long linen dress hid her fanciful footwork .