Arknights 01

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Across
  1. 1. ___ Steel, a Tier 5 upgrade material
  2. 2. Store manager and engineer
  3. 3. Guard Operator, also a fire-starting material
  4. 5. Medic Operator, also a tree resin
  5. 9. Vanguard Operator, also a musical instrument
  6. 12. Terran sports fashion brand
  7. 13. Lancet-2, Castle-3, THRM-EX and "Justice Knight"
  8. 14. Terminal disease
  9. 16. Specialist Operator, also a common Chinese surname
  10. 17. Artificial intelligence (abbr.)
  11. 19. Magic in Terra
  12. 20. Terran country, also the name of the bear-like race most common there
  13. 21. The currency used throughout Terra is issued here
Down
  1. 1. Main character
  2. 4. Basic promotion material
  3. 6. Terran country with an expansive mining company of the same name (2 words)
  4. 7. Sniper Operator, also another name for a shooting star
  5. 8. Supporter Operator, also a type of flower
  6. 10. Defender Operator, also a cancer-causing substance formerly used in construction
  7. 11. Caster Operator, also the shortened name of a volcano
  8. 15. Premium currency
  9. 18. Dragon siblings, also known as Fragments of ___