The answer to this problem is Noun.
Luigi’s pizza was thin, crisp, and covered with cheese; _____, Alfredo’s thin, crispy crust oozed with cheesy goodness.
similarly
Base on my own research and further understanding, I would say that the answer would be that they are important because the creature realizes upon reading paradise lost that he resembles Adam and Satan and that there are many parallels in their relationship to their creator and in his relationship to his creator.
Lost, lonely , forgotten, relinquished eliminated, forsaken
