Goddess Butterfly

A giant azure blue butterfly. It is said to be extremely rare and only to be seen when destiny has something to do with it.
All elven know of these as a myth/legend since they are very common in fairytales, myth or legends. Most of the time they appear before the protagonist and guides them towards their goals.
They are often seen as messengers of goods as well.
Some religions believe that strong nature goods use them as messengers or omens, yet others thinks that it most be some raw primal force that gives the butterflies their abilities.