What does "succumbed to the prostrating power of her destroyer" mean?

'It reflects Madeline's condition soon after the narrator's arrival.'

Explanation:

The given quote 'succumbed to the prostrating power of her destroyer' has been taken from 'The Fall of the House of Usher' authored by Edgar Allan Poe. It connotes the change in Madeline's condition after the narrator's advent. After seeing narrator, her condition deteriorated as she was not able to withstand her affliction and indisposition and perished (as reflected through the quote 'succumbed to the prostrating power').

In "The Fall of the House of Usher" by Edgar Allan Poe, the quote "succumbed to the prostrating power of her destroyer" refers to Madeline's condition shortly after the narrator's arrival. It means that she could not resist against her illness any longer and has passed away.