In order to free this woman, that first love leapt through a ring of fire surrounding her while disguised as her eventual husband, Gunnar.
This character's brother once cut the heart out of the cowardly cook Hjalli. One work about this figure ends with a cry of "Sink down, giantess!"; that story about this figure's "hell-ride" also tells of the time that this figure decided a duel against Hjalmgunnar and in favor of Agnar, angering Odin, who confined this figure to a structure on top of Mount Hindarfjall. This daughter of Budli and sister of Atli later became the mother of Aslaug, the future wife of Ragnar Lodbrok, with a man who proposed to her using (*) Andvarinaut. Gutthorm killed this figure's first love, who she lost due to a potion prepared by Grimhild. In order to free this woman, that first love leapt through a ring of fire surrounding her while disguised as her eventual husband, Gunnar. For 10 points, identify this figure from the Voluspa, a Valkyrie who was rescued by Sigurd.
This character's brother once cut the heart out of the cowardly cook Hjalli.
{Brunhilde} [or {Brunhilda}; or {Brynhildr}]