The Masque of the Red Death creates a tone of gothic and horror throughout the short story. You can understand this just by looking at the opening lines: “The "Red Death" had long devastated the country. No pestilence had ever been so fatal, or so hideous. Blood was its Avatar and its seal --the redness and the horror of blood.” At the same time, this line also sets the mood, it's just plain dreadful.
“The Tell-Tale Heart” and “The Masque of the Red Death” both tackle the themes of death, sin and guilt, but in very different ways. Both use irony to tell their stories. In both stories, death takes innocent victims. The narrator kills the old man in “The Tell-Tale Heart” because of his supposedly evil eye. The people in “The Masque of the Red Death” are dying from a plague. The deaths have something else in common: murder. In “The Tell-Tale Heart” the narrator murders the old man in cold blood—he commits an overt sin. In “The Masque of the Red Death” Prince Prospero murders his people by a sin of omission. He does nothing while they are dying. The other sin he commits is gluttony. Prospero throws a lavish party for all of his friends while his people suffer. He has the money to try to help them, but he does not. When his dominions were half depopulated, he summoned to his presence a