What does personification do in these lines from "The Tell-Tale Heart" by Edgar Allan Poe?
All in vain; because Death, in approaching him had stalked with his black shadow before him, and enveloped the victim. And it was the mournful influence of the unperceived shadow that caused him to feel—although he neither saw nor heard—to feel the presence of my head within the room.
It describes death as a sentry.
It connects time and death.
It creates a sense of horror.
It emphasizes tension.