certain series puzzle

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Across
  1. 2. the one who abused the observer
  2. 8. the theme of act 2
  3. 10. the god of matter
  4. 11. the angel's past life
  5. 13. the name of the game?
  6. 15. the one who oversees the experiments
  7. 17. astro's creator?
  8. 18. the space lord's right hand man
  9. 20. the high wolf priest
  10. 23. the one half of a whole in act 2
  11. 24. the protagonist of act 3
  12. 26. the third in the creation trio
Down
  1. 1. the earth herself
  2. 3. the lord of flame
  3. 4. the theme of act 1
  4. 5. the phantom's past life
  5. 6. the theme of act 3
  6. 7. the other half of a whole?
  7. 9. the angel
  8. 12. the ghost that follows the rockdog
  9. 14. "lady luck"
  10. 15. the high rockdog priest
  11. 16. the fertility goddess
  12. 19. the protagonist of act 1
  13. 21. the species of long dead gods
  14. 22. the stitched together experiment
  15. 24. the king of the moon
  16. 25. nicknamed astro