Gryffindor Puzzle

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Across
  1. 4. Gilderoy Lockhart house as a Hogwarts student
  2. 5. a legendary wizarding sweets shop
  3. 7. the wife of Aragog
  4. 9. modified by Fred and George to create Pygmy Puffs
  5. 11. a non-magical person who is born to at least one magical parent
  6. 12. a plant which has a root that looks like a human
Down
  1. 1. the only all-wizarding village in Britain
  2. 2. hired on to teach Divination in Sybill Trelawney's stead
  3. 3. the language of serpents
  4. 6. these classes are held on Wednesdays at midnight
  5. 8. blamed for creating the Dark Mark after the Quidditch World Cup
  6. 10. the charm that concealed 12 Grimmauld Place