Darth Prone was a male Kel Dor, a powerful Sith Lord, and a member of Knights of Darkness. He was a High Knight on their council and a friend of Darth Vast. He turned to the Sith after the Jedi wrongfully murdered his entire family. He was known to have been a very dark and uncaring individual. He was charged with the deaths of countless Jedi, and was known as one of the most perfected lightsaber duelists of his time.