Sleipnir about the god Baldr's bad dreams, Odin places a saddle on Sleipnir and the two ride to the location of Hel. The "Völuspá hin skamma" section of "Hyndluljóð" says that Loki produced "the wolf" with Angrboða, produced Sleipnir with Svaðilfari, and thirdly "one monster that was thought the most baleful, who was descended from Býleistr's brother." In the "Prose Edda" book "Gylfaginning", Sleipnir is first mentioned in chapter 15 where the enthroned figure of High says that every day the Æsir ride across the bridge Bifröst, and provides a list of the Æsir's horses. The list begins with Sleipnir: "best
Hel (being) chapter 49, High describes the events surrounding the death of the god Baldr. The goddess Frigg asks who among the Æsir will earn "all her love and favour" by riding to Hel, the location, to try to find Baldr, and offer Hel herself a ransom. The god Hermóðr volunteers and sets off upon the eight-legged horse Sleipnir to Hel. Hermóðr arrives in Hel's hall, finds his brother Baldr there, and stays the night. The next morning, Hermóðr begs Hel to allow Baldr to ride home with him, and tells her about the great weeping the Æsir have done upon Baldr's