The term 'Poe Story Setting' is a reference to the works of Edgar Allan Poe, an American author who wrote many stories and poems in the 19th century. His works often featured dark and mysterious settings, such as underground vaults, abandoned castles, and other eerie places. The crossword solution for this term is 'PIT', which could refer to a literal PIT or a figurative one, such as a moral abyss or a psychological quagmire.