Nekros

The Sith King was a powerful Force user who lead the Wrath of the Shadow warriors of the Sith Kingdom. They became the first of the Sith Warriors of Darth Ruin's New Sith Empire in 2,000 BBY. He also was the protector of the hidden Sith Archive world of Kakos IV and was Lord of the Reapers.

Biography
He was defeated by Darth Ruin in 2,004 BBY and pledged his allegiance to him. He was a loyal Ruinist during the New Sith Civil War against Darth Seviss' Reformed Sith, and was killed on Voss by Darth Seviss' blade.