Hilda Polaris is a significant character in the anime series Saint Seiya. She serves as the representative of the Norse god Odin and is the guardian of Asgard. Initially portrayed as a benevolent and kind ruler, Hilda becomes an antagonist when she is manipulated by the Nibelung Ring, causing her to wage war against Athena and the Saints. Her role is pivotal, as the main plot of the Asgard arc revolves around saving Hilda from the ring’s influence and restoring peace to her land.