Martial Art!

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Across
  1. 4. Fighting between two military forces
  2. 6. The property of being flexible, easily bent or shaped
  3. 8. Of or appropriate to war, warlike
  4. 10. Complete and wholehearted fidelity
Down
  1. 1. A customary way of operation or behavior
  2. 2. A rapid active commotion
  3. 3. The science of matter and energy and their intaraction
  4. 5. An event that repeats
  5. 7. The art of self defence that originated in Korea
  6. 9. A primarly unarmed Chinese martial art resembling karate