Xena: Warrior Princess (1995)

S06E08 The Ring (2)

Gabrielle, Brunnhilda, and Beowulf discover that Xena has survived the Grindl's assault. Upon reaching the mine where the Grindl lurks, Xena discloses that the creature was originally the valkyrie Grinhilda. In a bid to halt Xena's ruthless domination, Grinhilda had placed the Rheingold Ring upon her finger in a moment of desperation.