Original sentence: The end of his papacy will mark either the end of the papacy, the return of the Lord, and/or the end of this world (Apocalypse | End of the world (religion) | Armageddon)
Edited sentence: The end of his papacy will mark either the end of the papacy, the return of the Lord, and/or the end of this phase of the world (Apocalypse | End of the world (religion) | Armageddon)