Sleipnir of person this was" wearing a golden helmet, "riding sky and sea," and says that the stranger "has a marvellously good horse." Odin wagers his head that no horse as good could be found in all of Jötunheimr. Hrungnir admitted that it was a fine horse, yet states that he owns a much longer-paced horse; Gullfaxi. Incensed, Hrungnir leaps atop Gullfaxi, intending to attack Odin for Odin's boasting. Odin gallops hard ahead of Hrungnir, and, in his, fury, Hrungnir finds himself having rushed into the gates of Asgard. In chapter 58, Sleipnir is mentioned among a list of horses in
Sleipnir mentioned in a riddle found in the 13th century legendary saga "Hervarar saga ok Heiðreks", in the 13th-century legendary saga "Völsunga saga" as the ancestor of the horse Grani, and book I of "Gesta Danorum", written in the 12th century by Saxo Grammaticus, contains an episode considered by many scholars to involve Sleipnir. Sleipnir is generally accepted as depicted on two 8th century Gotlandic image stones: the Tjängvide image stone and the Ardre VIII image stone. Scholarly theories have been proposed regarding Sleipnir's potential connection to shamanic practices among the Norse pagans. In modern times, Sleipnir appears in Icelandic folklore