Fantasy

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Across
  1. 4. the square root of negative 4
  2. 5. not a witch, not a wizard
  3. 7. a sort of magic in itself; Picasso practiced it.
Down
  1. 1. the magical school in harry potter
  2. 2. a power which wizards enjoy
  3. 3. a movie based on a musical based on a book based on a movie based on a book
  4. 6. Percy Jackson's long-term girlfriend