Jekyll and Hyde

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Across
  1. 3. diligent
  2. 4. an extraordinary or rare event
  3. 7. a sudden feeling of sickness
  4. 10. supernatural
  5. 11. corruption
  6. 12. excessive submission\
  7. 14. skeptical, disbelieving
  8. 17. effectiveness
  9. 18. crafty; smart, wise
Down
  1. 1. people hired to commit crimes
  2. 2. corruption, wickedness
  3. 5. having no specific form
  4. 6. the quality of being temporary
  5. 8. deep red gems
  6. 9. unusual, strange
  7. 11. cheerless
  8. 13. strict
  9. 15. meditated or reflected
  10. 16. the state of being twofold, double