Complex sentence: She learns that her human form is the latest container to hide a power stolen from the DomZ centuries ago in the hope that the High Priest, who must have spirit energy to survive, would starve to death.
Split into simpler sentences: She learns that her human form is the latest container to hide a power stolen from the DomZ centuries ago. It was stolen hoping that the High Priest, who must have spirit energy to survive, would starve to death.