Complex sentence: From the moment of her birth, it was decided that she would be a gift to the Church to atone for her father's sins and Retta had no desire for anything else, until the day Velkan saved her from a fate worse than death.
Split into simpler sentences: From the moment of her birth, it was decided that she would be a gift to the Church to atone for her father's sins and Retta had no desire for anything else. Until the day Velkan saved her from a fate worse than death.