Will O' The Wisp Dunk High

The will-o'-the-wisp, sometimes will-o'-wisp or ignis fatuus Latin, from ignis ("fire") + fatuus ("foolish"), plural ignes fatui) refers to the ghostly lights sometimes seen at night or twilight over bogs, swamps, or marshes. It looks like a flickering lamp, and is sometimes said to recede if approached. Much folklore surrounds the phenomenon.