What elemental force is notably present in the legends of both Sigrid and Brynhild?

The legends of both Sigrid and Brynhild prominently feature the elemental force of fire, which is symbolic of both transformation and destruction within mythology. Fire represents passion, conflict, and even rebirth, as seen in various myths. In the stories surrounding these characters, the presence of fire often correlates with their intense emotions, tumultuous circumstances, and the fierce battles they face. Fire not only serves as a backdrop for critical moments in their tales but also acts as a metaphor for their fiery spirits and the dramatic changes they undergo. This connection to fire across both legends highlights its importance in understanding the thematic elements that drive the narratives forward.