Virgin Sacrifice

It had been a month since Rumpelstiltskin has appeared in the court room, asking for her in exchange for the safety of her people. He had babbled on about a prophecy involving her bloodlines and the heir of a seventh son and a virgin sacrifice. "Yes," he'd said, looking down at her, "She is the one." (Prompt: Rumbelle first time, ritual/primal, master/servant)