Hermóðrs
Hermóðr is a figure in Norse mythology, primarily known from the Poetic Edda. He is depicted as a son of Odin and a brother of Baldr. Hermóðr is most famously associated with his perilous journey to Hel to retrieve his deceased brother. After Baldr's death, caused by Loki, the gods were deeply grieved. Odin dispatched Hermóðr on Sleipnir, Odin's eight-legged horse, to journey to the underworld, ruled by the goddess Hel.
According to the Gylfaginning section of the Prose Edda, Hermóðr rode for nine nights through dark valleys,
While this condition was met by most beings, Loki, disguised as a giantess, refused to weep, thus