The Mark VII experimental prototype assassin droid, also referred to as the rogue assassin droid, or simply nicknamed Mark VII, was a droid that had been created to be the prototype for a series of assassin droid to be manufactured by the Sith Empire based on the graveyard world of Korriban. Designed specifically to hunt and exterminate Jedi, the droid proved to be more than its designers could handle, escaping from their custody in a murderous rampage. Hiding itself within the burial chamber of the Tomb of Marka Ragnos, the droid built for itself a guard force of lesser battle droids, who attacked any would-be assailants that made too much noise. Eventually, the former Sith Lord Revan found the droid and, using a sound-dampening device, managed to re-tune the droid's audio sensors and del