The Murders in the Rue Morgue Poe's Dupin displays many traits which became literary conventions in subsequent fictional detectives, including Sherlock Holmes and Hercule Poirot. Many later characters, for example, follow Poe's model of the brilliant detective, his personal friend who serves as narrator, and the final revelation being presented before the reasoning that leads up to it. Dupin himself reappears in "The Mystery of Marie Rogêt" and "The Purloined Letter". The unnamed narrator of the story opens with a lengthy commentary on the nature and practice of analytical reasoning, then describes the circumstances under which he first met Dupin during an extended visit to Paris.
Masque of the Red Death and Other Tales of the Red Death setting combines real-world history with legends and literature. Thus, necromancers practice dark arts among the slave traders of New Orleans, while Buenos Aires agricultural barons attempt to squelch rumors of monstrous winged serpents. Spirit creatures stalk the settlers of the American West. Sherlock Holmes shares a railroad car with Count Dracula. Unlike the basic Ravenloft setting, where mysterious mists divide the realm into distinct settings, the Gothic Earth setting has no divisions. "Masque" begins by replacing the traditional character classes with soldiers (like fighters, but can’t specialize in favored weapons), adepts (wizards with limited magic and