Sleipnir When the Æsir realize that the builder is a hrimthurs, they disregard their previous oaths with the builder, and call for Thor. Thor arrives, and kills the builder by smashing the builder's skull into shards with the hammer Mjöllnir. However, Loki had "such dealings" with Svaðilfari that "somewhat later" Loki gave birth to a grey foal with eight legs; the horse Sleipnir, "the best horse among gods and men." In chapter 49, High describes the death of the god Baldr. Hermóðr agrees to ride to Hel to offer a ransom for Baldr's return, and so "then Odin's horse Sleipnir was
Svaðilfari Svaðilfari In Norse mythology, Svaðilfari (Old Norse perhaps "unlucky traveler"; derived from Old Norse 'svað': 'slippery' - cf. Norwegian 'svaberg' 'slippery rock'; '-il': footwear, protection for the feet; '-fari': 'someoneone who usually goes somewhere specific', 'a traveller'. Possible meaning "the one that like to go where it is slippery') is a stallion that fathered the eight-legged horse Sleipnir with Loki (in the form of a mare). Svaðilfari was owned by the disguised and unnamed hrimthurs who built the walls of Asgard. In chapter 42 of the "Prose Edda" book "Gylfaginning", High tells a story set "right at the beginning of