MSM ultimate challenge

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Across
  1. 3. "Just keep your feet on the ground" is part of the lyrics on _____ island
  2. 6. The company which made MSM
  3. 10. last single elemental you get on plant island
  4. 12. Cold single elemental
  5. 13. water + cold
  6. 14. First monster you get
  7. 15. monsters which come out of the ground
Down
  1. 1. Single elemental with lots of toes
  2. 2. plant island mythical
  3. 4. The only single elemental unavailable on plant island
  4. 5. the iconic monster
  5. 7. "Wake up the wublins!" is this monsters line
  6. 8. There are 3 classes of monsters. Common, rare, and ____
  7. 9. the first island you get
  8. 11. plant island ethereal