Tolkien's Last Chapter - The Dwarves

Tolkien says he soon realized that if anything was to be done, it would have to be done by Mr. Bagons alone and unaided. "I'm the only one who's free because of my ring," Bilbo Baggins tells Gandalf in The Hobbit. Tolkien: 'There's no one else that once again, alone, he has to save them'