Final answer:
The Commendatore is the one who brings Don Giovanni to his fate in the opera by Mozart and Da Ponte, as he gives Giovanni the chance to repent before dragging him to hell.
Step-by-step explanation:
The character who ultimately brings Don Giovanni to his justly deserved fate is a. the Commendatore. In the climax of the opera Don Giovanni, written by Wolfgang Amadeus Mozart and libretto by Lorenzo Da Ponte, the Commendatore's statue comes to life and confronts Don Giovanni, giving him a final chance to repent for his sins. Don Giovanni arrogantly refuses, leading to his supernatural punishment and demise, as the Commendatore drags him to hell.