High Priestess (The Fires of Pompeii)

The High Priestess was encharge of an ancient sisterhood that lived in the city of Pompeii. When she was younger she was possesed by the Pyrovile force and her body turned into stone. She had a telepathic link to the other sisters in her order as well as several other citizens of Pompeii, such as Lusius Petrus Dextrus and a young woman called Evelina. She had a plan to conquer the planet Earth and transform every one into stone. Donna Noble had a different Profency of the events that were due to come. She said that MOunt Vesuvios would erupt. The High Priestess had a plan to turn every one into stone so that her race could survive. She planned to sacrifice Donna but the Doctor saved her. She had millions of Rock Giants living in the center of Vesuvios. Ready to attack but her plan was fioled by the doctor as her destroyed her plan to mass conquer. She died due to the link being brocken.