A Zeltron general was a member of the Black Knights under the command of the Sith Lord known as the Dark Underlord, he faced Mandalorian mercenaries who intruded upon the Underlord's fortress on Malrev IV. The Jedi MasterMurrtaggh had cut a deal with them to stage a diversionary attack on the Underlord's forces, and while the battle raged on, Murrtaggh assassinated the Sith Lord but died in the process.