Answer:
When the narrator sees Lady Madeleine in the story, he discovers that she is gravely ill. This is indicated by her pale and lifeless appearance, as well as her weak and feeble movements. The narrator describes her as being on the verge of death, with a ghastly and spectral presence. This discovery adds to the overall atmosphere of gloom and mystery in the story. The narrator's observation of Lady Madeleine's deteriorating health becomes a central focus as the plot unfolds and contributes to the eerie and suspenseful atmosphere of the narrative.
Step-by-step explanation: