Fleure the Fluorine-Horned Unicorn’s Story. The world of unicorns is full of magic and wonder, and Fleure is a one-of-a-kind unicorn with her unique abilities and talents. Her fluorescent green color instantly catches the eye, and her iridescent butterfly wings make her stand out from the crowd. However, it’s her fluorine-horn which gives her the power to perform incredible feats of healing and beauty. Read more.