sentences:  A Saxon Knight named Treguard, or Treguard of Dunshelm, was the dungeon master and was played by Hugo Myatt for the show's eight series.Information about his supposed background can be found in the related literature (see merchandise section).During the show, it was Treguard's job to assist the dungeoneer and his team of helpers wherever possible, also explaining a team's cause of death whenever they died.