Previous quick solution

Across: 7. Indefatigable 8. Filigree 9. Cone 10. Enters

12. Twinge 14. Woe 15. Marina 17. Potion 19. Arms

21. Sorcerer 23. Ill-considered

Down: 1. Insignia 2. Demise 3. Fair 4. Sidestep 5. Tai chi

6. Plan 11. Swan song 13. Glowered 16. Insect 18. Tiered

20. Rely 22. Rail