Final answer:
Don Giovanni is dragged down to his death by the Commendatore at the end of the opera.
Step-by-step explanation:
What happens to Don Giovanni at the end of the opera?
At the end of the opera, Don Giovanni is dragged down to his death by the Commendatore. This happens after Don Giovanni refuses to repent for his immoral actions and continues to pursue his selfish desires.
The Commendatore, who is a statue brought to life, arrives to hold Don Giovanni accountable for his sins. Don Giovanni is then taken down to hell as punishment for his wickedness.