Helheim, the norse underworld, was a cold, desolate realm ruled by the goddess hel, daughter of loki. It served as the final resting place for most souls, contrasting with valhalla and folkvangr reserved Ò€¦ Helheim, also known as hel, is one of the nine realms of the world tree, the final destination of the dishonorable dead and a major location in god of war (2018).