Solve this puzzle for a clue

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Across
  1. 3. makes web
  2. 5. back from the dead
  3. 7. invisible monster that haunts
Down
  1. 1. craving blood
  2. 2. fire spewing winged dinosaur
  3. 3. just bones
  4. 4. Egyptian humans wrapped in toilet paper
  5. 6. nocturnal animal that lives in caves hanging upside down