Louhi (Kalevala)

Louhi was an Evil witch in the finnish National Epic Kalevala,Her goal is to steal Sampo,an Magical Artifact created by the smith ilmarinen.It is stated by some versions of the myth that Louhi is in fact an alter ego/Human Incarnation of Loviatar,An dark goddess of death and the blind daughter of Tuoni (Wich is the ruler of the Underworld)

In the Myth
Louhi is an corrupt witch who lives in Pohjola,a cold dark unpleasant place up in the north.It is described that Louhi is a Matriarch Pohjola.Later in the myth Louhi decides to steal The Magical Artifact Sampo,it is unknown why exactly why Louhi stole Sampo,Possibly because Sampo can create Gold and Flour and other recources.However the Heroes of The Myth steals Sampo back.This causes Louhi to lose her temple so Lohui summons the sea monster Iku-Turso,however Iku-Turso is defeated by Väinömöinen.This causes Louhi to transform into a Bird Like form to chase after the heroes

Trivia

 * it is possible that the villain of final fantasy 4:Heroes of Light Witch Of the North is inspired By Louhi