"The Nixie of the Mill-Pond" is a German fairy tale that tells the story of a man captured by a nix and his wife's efforts to save him. The Brothers Grimm collected the tale in their Grimm's Fairy Tal

The rash promise, also blind promise or rash boon is a promise given without considering its consequences. It is a common motif in medieval and folk literature, especially fairy tales. It is classifie