Do you know Ninjago?

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Across
  1. 3. The power-hungry Prince of Merlopia who awakened the sea serpent Wojira
  2. 5. Lloyd’s father and Master Wu's brother, who was corrupted by the Great Devourer
  3. 8. The loyal general of Shintaro who served the Skull Sorcerer
  4. 10. The wise, tea-loving Master of Spinjitzu who trains the core ninja
  5. 14. The phantom Master of Wind who initially possessed Lloyd in Season 5
  6. 15. The ancient, multi-faced dark entity that serves as the ultimate source of evil
  7. 20. The powerful group of subterranean snake tribes who waged war on humans
  8. 21. One of the twin Hands of Time masters who controlled the forward flow of time
  9. 23. The elderly leader of the Keepers on the Island of the Keepers
  10. 24. The Artificial Intelligence created by Cyrus Borg who became Zane’s companion
  11. 25. The mercenary thief and pilot of the Rex airship who eventually joins the allies
  12. 26. The self-proclaimed "Brown Ninja" and clumsy master of "Dojo Dare"
  13. 27. The Master of Lightning who loves comic books and inventing
  14. 28. The Djinn pirate captain who trapped the ninja inside his Djinn Blade during Skybound
Down
  1. 1. The strong Munce warrior who wielded the heavy Skullbreaker axe
  2. 2. The corrupt Skull Sorcerer who enslaved the Geckles and Munce underground
  3. 4. Elemental Master of Fire and older brother to Nya
  4. 6. Kai's sister who initially fought as Samurai X before becoming the Master of Water
  5. 7. The robotic Nindroid ninja who commands the element of Ice
  6. 8. The vengeful Princess of Ninjago who revived Garmadon as The Quiet One
  7. 9. The legendary Green Ninja and son of Garmadon
  8. 11. The dark, volcanic underworld realm where the Skeleton Army resided
  9. 12. The Master of Earth who has a deep obsession with cake
  10. 13. The last remaining Anacondrai snake who plotted to release the Great Devourer
  11. 16. Lloyd’s mother and a brilliant archaeologist who decoded ancient history
  12. 17. The adoptive Prince of Merlopia and loyal brother to Kalmaar
  13. 18. The sorceress Serpentine who stole Kai's fire powers after escaping her tomb
  14. 19. The sentient video game AI villain from Prime Empire
  15. 22. The ancient martial art where fighters spin into a tornado of elemental energy
  16. 29. The Time Twin who disguised himself as Dr. Sander Saunders for forty years