Louhi is a character from Finnish mythology, often depicted as a powerful sorceress and the ruler of the underworld, known as Tuonela. She is a central figure in the epic poem Kalevala, where she is portrayed as both a villain and a complex figure with her own motives. Louhi is known for her ability to control the elements and her fierce protection of her realm. In the Kalevala, Louhi seeks to obtain the magical Sampo, a source of prosperity and good fortune. Her interactions with the hero Väinämöinen and other characters highlight themes of power, greed, and the struggle between good and evil. Louhi's character embodies the duality of nature, representing both creation and destruction.