Regin him many languages as well as sports, chess, and runes. Reginn had all wisdom and deftness of hand. Of his two brothers, he has the ability to work iron as well as silver and gold and he makes many beautiful and useful things. While Sigurd is living with Reginn, Reginn challenges Sigurd's respect in the kingdom. He tells Sigurd to ask for a horse. Sigurd asks the advice of an old man in the forest, and the old man shows him how to get a horse that is descended from Sleipnir, the eight legged horse of Odin. Reginn continues to
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