Door Puzzle

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Across
  1. 4. Understood by few; mysterious or secret (6)
  2. 5. Offensive word (5)
  3. 6. Spirit board (5)
  4. 8. Elemental power imbedded in a person (4)
  5. 11. Difficult or impossible to explain (10)
  6. 15. Achievement requiring great courage, skill or strength (4)
  7. 17. Five pointed star (9)
  8. 18. Playfully quaint or fanciful (9)
  9. 21. Underground prison (7)
  10. 24. Unconventional or strange (9)
  11. 25. Bewitch (3)
  12. 26. Ugly giant that inhabits caves, hills, the internet (5)
  13. 28. Liquid with magical properties (6)
Down
  1. 1. Calls a spirit to appear (8)
  2. 2. Giant flying reptile (6)
  3. 3. Ancient Celtic priest, soothsayer (5)
  4. 5. Invoking (7)
  5. 7. Magician or learned person (4)
  6. 9. Feeling given off by a person or thing (4)
  7. 10. The magic word (6)
  8. 12. The use of magic, especially dark magic (7)
  9. 13. Wicked (4)
  10. 14. Beyond scientific understanding (12)
  11. 16. Deceives (6)
  12. 18. Magic stick (4)
  13. 19. Magical incantation (5)
  14. 20. Harassment of those with unpopular views (5,4)
  15. 22. Involving or relating to mystical phenomena (6)
  16. 23. Restricted by social custom (5)
  17. 27. Long, loose garment reaching the ankles (5)