My Singing Monsters Triple Element Monsters

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Across
  1. 3. Fire Expansion on Psychic or Faerie
  2. 8. Way too quiet on all islands
  3. 9. Air Cold Fire and Water
  4. 14. Mimiks other monsters
  5. 15. The Avatar
  6. 17. Lots of heads and rock
  7. 19. Purple and percussion
  8. 20. was the last quad introduced in Dawn Of Fire
  9. 21. Many think it's underwhelming
Down
  1. 1. Leafy green guy
  2. 2. Plays less on Nexus
  3. 4. "Hey, yoowaaaayyy"
  4. 5. White and one-noted
  5. 6. Has association with a Titan or Colossal
  6. 7. Mimiked by another monster
  7. 10. Many voices
  8. 11. Wants to travel out of its main island
  9. 12. Crystal circle
  10. 13. Confused for a vocal often
  11. 14. Laying on its back and is orange
  12. 16. Sounds a lot different on Gold
  13. 18. Can hypnotize monsters
  14. 22. Emo orange fella