Why is unmerciful Disaster capitalized in The Raven?

In Edgar Allan Poe's "The Raven," "Disaster" is capitalized to emphasize its significance and to personify it, suggesting that it holds a powerful, almost supernatural influence over the narrator's life. This capitalization aligns with the poem's themes of despair and loss, highlighting the overwhelming nature of the grief that the narrator experiences. By giving "Disaster" a proper noun status, Poe elevates it to a central force in the poem, enhancing the emotional weight of the narrative.