Tox

 was one of the survivors of an explosion of the city of Garrak on the planet Draxine. She was devoted to Valek Harmon, the President of Garrak, and stood guard at the entrance to the former Azran factory where he stayed after the explosion. She tried to escape the building with the Eighth Doctor, Mary Shelley and Nia Brusk but was believed to have perished in the process. (AUDIO: Army of Death)