Find the hidden message for the commercialisation of Halloween

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Across
  1. 1. – An outfit worn for Halloween.
  2. 3. – To reveal what is hidden.
  3. 5. – A scary creature like a vampire or werewolf.
  4. 7. – Something magical and spellbound.
Down
  1. 2. – A sign that something bad might happen.
  2. 4. – Something scary or eerie.
  3. 6. – A black bird often linked to omens.
  4. 8. – A playful prank or deception.