Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5a Shaman (5,6)
  2. 7a Five hundred sheets of quality paper (4)
  3. 8a Sing (to a lover?) (8)
  4. 9a Prison (informal) (7)
  5. 11a Native of Mosul? (5)
  6. 13a Hard close-grained tree with a syrupy sap (5)
  7. 14a Transparent plastic paint (7)
  8. 16a Unstoppable rapid decline (4,4)
  9. 17a Toasting or pitching implement? (4)
  10. 18a Without any concealment or deception (5,3,3)
  11. 1d Thing (4)
  12. 2d Irish spirit (7)
  13. 3d Forgive me (5)
  14. 4d Fish with a venomous tail (8)
  15. 5d Garden carrier (in children's race?) (11)
  16. 6d Rodent less common than its grey variety in the UK (3,8)
  17. 10d Dark purple blackberry-like fruit (8)
  18. 12d Nordic country (7)
  19. 15d Small flower (on a chain?) (5)
  20. 17d Bubbles (4)