Rusalki are mythical water nymphs from Slavic folklore, often associated with rivers and lakes. They are typically depicted as beautiful young women with long hair, who may lure men to their watery homes. In some tales, they are seen as benevolent spirits, while in others, they can be vengeful, reflecting the dual nature of water. These creatures are often linked to themes of love, death, and the natural world. Rusalki are believed to be the souls of young women who died tragically, and their stories vary across different cultures, showcasing the rich tapestry of Slavic mythology.