The Norse goddess known for guiding the souls of the dead is Freyja. She presides over Folkvangr, where half of those who die in battle reside, while the other half go to Valhalla. Freyja is associated with love, fertility, and war, and often aids warriors in their afterlife journeys. Her role reflects the Norse belief in the significant interplay between life and death, showcasing her as a powerful figure who assists in the transition of souls. Freyja embodies the complexities of death and rebirth, highlighting her importance in Norse mythology.