Of the final, crucial point (9)
I believe the answer is:
climactic
(Other definitions for climactic that I've seen before include "Rising to a peak" , "approaching a high" , "Making an exciting end" , "Decisive" , "reaching a culmination" .)
I believe the answer is:
climactic
(Other definitions for climactic that I've seen before include "Rising to a peak" , "approaching a high" , "Making an exciting end" , "Decisive" , "reaching a culmination" .)