laststrike
nounUK /ˌlɑːstˈstraɪk/
US /ˌlæstˈstraɪk/
The very final hit or move that ends a game or fight.
She won the match with a laststrike that nobody could block.
OTHER MEANINGS
2. A last chance to succeed before time runs out.
The team's laststrike came in the final minute of the game.
3. The final attack in a series of attacks.
The knight saved his laststrike for the dragon's weak spot.
4. A final effort made when everything else has failed.
Her laststrike at the spelling bee won her the trophy.