" That rival begs the priests for mercy as Ramfis condemns a character that revealed the location of the army to Amonasro and is the king's daughter, Amneris.
One character in this opera sings of conquering lands for his beloved in an aria that begins with the line "Se quell guerrier io fossi."  In its final act, the two protagonists sing the duet "O terra addio" as they are sealed in a tomb. The title character of this opera puzzles out her allegiances after mocking her rival's cry of "Ritorna vincitor." That rival begs the priests for mercy as Ramfis condemns a character that revealed the location of the army to Amonasro and is the king's daughter, Amneris. For 10 points, name this Giuseppe Verdi opera in which the Egyptian captain Radames falls in love with the title Ethiopian princess.
One character in this opera sings of conquering lands for his beloved in an aria that begins with the line "Se quell guerrier io fossi."  
Aida