Agnar was the son of Hrothgar. They lived in Vanaheim. Agnar came to Asgard to challenge Balder, reported to be a skilled warrior, but Balder denied him his challenge and Agnar was removed from his sight by Volstagg,telling him the story of Balder and using Hogun the Grim as a threat if Agnar wished to harm Balder. Anyway, Agnar followed Balder when he sought to die by abandoning himself in a desert beyond the Norn Kingdom, intending to deliver himself that fate. Agnar had trouble following the quick Balder, but witnessed him attacking a Giant Sand Devil with a mere stick of wood in order to protect a woman. In that, Agnar saw Balder's bravery. Unable to assist Balder, too much frightened, Agnar threw his sword for the God of Light to defend himself against the beast and allowing him to win