in the climatic crescendo of horror, Roderick stresses "said i not that my senses were acute?... I hear it.... I heard them- many, many days ago" Poes use of dialogue?
Roderick knows unmistakably -> only one to save her from death, yet he unwilling to relinquish place on hierarchical Chain of Being, even if it descending to the perceived lower status, would save sister’s life.