Darth Nightmare

, born under the name Jos Kallig, was a Dark Lord of the Sith under Darth Bane's Rule of Two who created his own Sith Empire in the Unknown Regions. He was born on Obulette, the capital of the Tapani sector's House Mecetti, sponsors of the Sith-cult known as the Mecrosa Order. A distant descendant of the ancient Sith Lord Darth Nox on his father's side, Jos and his father were the last traces of force sensitivity within the Mecrosa Order after the Cleansing of the Nine Houses.