What creature was female warriors of Odin and called the Choosers of the Slain?

The female warriors of Odin, known as the Valkyries, were called the "Choosers of the Slain." In Norse mythology, they were tasked with selecting those who would die in battle and those who would be taken to Valhalla, Odin's hall for fallen warriors. The Valkyries served both as battle maidens and as guides for the souls of the deceased, playing a crucial role in the fate of warriors. They are often depicted as powerful and noble figures, embodying valor and strength.