Ninjago

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Across
  1. 1. Elemental master of Amber
  2. 4. The white ninja
  3. 5. he disappeared in Season8
  4. 6. Elemental Master of Energy
Down
  1. 1. ancient martial art, ninja become a tornado
  2. 2. Ice Emperor's Dragon
  3. 3. The black ninja
  4. 5. Leader of ghost army