For my literary device I chose Imagery. This explains imagery because this is the beating of the old man's heart which is one of the main reasons why the narrator kills the man. "It grew louder-louder-louder! and still the men pleasantly smiled (Poe 83).
For my literary device I chose Again and Again. This explains Again and Again because in the story the narrator keeps repeating that he is not mad. "But why will you say that I am mad?" (Poe 78).
For my literary device I chose simile. This is a simile because it compares a human like (heart) object to a clock. "It was the beating of the old am's heart it grew louder and louder (Poe 81).