Red Sonja (1985)

The tyrant Gedren seeks the total power in a world of barbarism. She attacks and kills the keepers of a powerful talisman just before it is destroyed. Gedren then uses the power of the talisman in her raid of the city Hablac. Red Sonja, sister of the keeper, sets out with her magic sword to overthrow Gedren. The talisman's master Kalidor follows to protect her. Of course they fall in love - however Red Sonja's power bases on the oath to never give herself to any man...