Mystery Box

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Across
  1. 2. Used to communicate where we cannot talk
  2. 3. You broke one once and it can contain liquids that can kill and/or save us
  3. 7. If Jack had that, he wouldn't have drowned
  4. 8. The big fish in Merlin
  5. 13. I'll look really on one of your (new?) furnitures
  6. 15. Last acidulous drink you had and has a funny name
  7. 16. Cannot live without it
  8. 17. Is that soup ?
Down
  1. 1. The beginning of something
  2. 4. I appear more easily in one environment. Oh I burst
  3. 5. Can be worn to protect the eyes
  4. 6. David is one of them !
  5. 9. Cannot live without it
  6. 10. I have the same initials as a superhero *
  7. 11. Can be put on sandwich or chips or actually everything I guess
  8. 12. I finish with three vowels in a row (who said English isn't as weird as French ?)
  9. 14. I may not be the graal, but for you it's close enough