What do narrator and usher do with madeline after they discover her death?

After discovering Madeline's death, the narrator and Roderick Usher place her body in a coffin and prepare to entomb her in a vault within the Usher family mansion. They carefully carry her to a temporary burial chamber, where they lay her to rest. This act is steeped in the gothic atmosphere of the story, reflecting the themes of decay and the supernatural that permeate "The Fall of the House of Usher." The event intensifies the sense of dread and foreshadows the unfolding Horror.