Darth Igrol

Darth Igrol was a Sith pureblood and member of the emperors ruling Dark Council. He resided on the planet Dromund Fels and was a powerful Sith Lord. He was part of the conspiracy to bring down the emperor along with five other members of the dark council, however the emperor found out and called the remaining members of the dark council to his citadel where he killed them all in an enormous blast of power.