korolleen
Korolleen is a mythical creature that appears in the folk stories of the Northern Isles of the British Isles. According to local tradition, a Korolleen is a water spirit or river nymph that dwells in the crystal clear springs of the remote islands. Descriptions of the creature vary, but most accounts agree that the Korolleen possesses luminous wings that shimmer with the colors of the twilight, and that it is benevolent to travelers who offer it a small offering of honey.
In the nineteenth‑century folklore collections of the Scottish Highlands, the Korolleen is depicted as a guardian
The Korolleen has been referenced by a handful of modern authors who write about Celtic mythology, though