Definition of Red cap

A Red Cap or Redcap, also known as a powrie or dunter, is a type of malevolent murderous goblin, elf or fairy found in British folklore. They inhabit ruined castles found along the border between England and Scotland. Redcaps are said to murder travelers who stray into their homes and dye their hats with their victims' blood (from which they get their name). Indeed, redcaps must kill regularly, for if the blood staining their hats dries out, they die. Redcaps are very fast in spite of the heavy iron pikes they wield and the iron-shod boots they wear. Outrunning the buck-toothed little daemons is quite impossible; the only way to escape one is to quote a passage from the Bible. They lose a tooth on hearing it, which they leave behind.