Halloween

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Across
  1. 1. Spiders home page for buying corn? (6)
  2. 3. Kills fish without success (6)
  3. 5. Necromicon? Mysteriously I'm gorier (8)
  4. 7. Trickster's battle with hair on bottom (7)
  5. 11. Woodash circle goes dangerously dark (6)
  6. 12. "Shadows are we and like shadows depart" takes family for candle heart (7)
  7. 15. Talks to ghosts of average size? (6)
  8. 16. Gazing back I rest in peace, held by broken saint (6)
  9. 17. Hunter finishes southern tribe at children's hospital with headless scream (7)
  10. 18. Legend's iron crows have no tail (5)
  11. 20. Plot serious distance? (9)
Down
  1. 2. No treats in here (3,2,6)
  2. 4. Halloween is mashed in a mash! (7)
  3. 6. We heard fishmonger has 24 hour special? (3,4,4)
  4. 8. Demon stereotypes are cruel-hearted (7)
  5. 9. Howler was multiplied and eats hungrily (8)
  6. 10. Singer ingests heroin for spooky hit (8)
  7. 13. She's wrapped up in her kids! (9)
  8. 14. Fallen angel lived badly (5)
  9. 19. Weep into pint below church (5)
  10. 21. Seer from early Bible thrown in cauldron (3,2,4)