What impression of the rats does this method of arrival create in the skeleton key?

In "The Skeleton Key," the method of arrival for the rats creates a sense of foreboding and unease. Their sudden appearance and chaotic movement suggest an underlying threat, reflecting the darker themes of the story. This portrayal enhances the atmosphere of tension and highlights the rats as symbols of the unknown and uncontrollable forces within the narrative. Overall, it establishes an ominous connection between the rats and the unsettling events that unfold.