Draft 1

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Across
  1. 2. Robotic humanoid (6)
  2. 4. A suspenseful ending to a story that leaves things unresolved (11)
  3. 7. Military tactical unit (7)
  4. 8. An unconscious desire for one's own demise (5, 4)
  5. 10. Children's playground game (9)
  6. 12. Creature in bible, sea serpent symbolizing Israel's enemies, also seen as a fire-breathing crocodile (9)
Down
  1. 1. Someone who does something for their living, or to a high degree of proficiency (12)
  2. 3. Payment or reward of money to locate, capture or kill a person (6)
  3. 5. Military rank (8)
  4. 6. Ghost or ghostlike image of someone, especially one seen shortly before or after their death (6)
  5. 7. A hunter of those weaker (8)
  6. 9. Snake, characterised by its wide neck (5)
  7. 11. Someone who steals (5)