Fulminiss Fulminiss was a male Human Sith Lord who was regarded as one of the most powerful Sith sorcerer s in the resurgent Sith Empire . A master of the dark side ' s more arcane and lethal aspects , Fulminiss served the Sith Emperor as one of the Empire ' s foremost masters in Sith alchemy and magic , and excelled in eliminating the populations of entire planets . In the early days of the Galactic War with the Galactic Republic , the Emperor sent Lord Fulminiss to the planet Voss in order to start his life - consuming ritual by causing millions of simultaneous deaths , and the Sith sorcerer enlisted the aid of the Voss Mystic Valen - Da in his efforts to use a corrupted healing ritual to drive the planet ' s inhabitants into murderous insanity . However , Fulminiss was betrayed by Valen - Da , who arranged for the Voss commando Tala - Reh and the Jedi Knight known as the Hero of Tython to interrupt Fulminiss ' s efforts to conduct the ritual with the aid of the dark side entity Sel - Makor , and Fulminiss was killed in battle with the Jedi and the Voss . Biography . A male Human , Fulminiss was a Sith Lord of the Sith Empire who quickly became regarded as one of the greatest Sith sorcerer s throughout the Empire . During his career before and during the Great Galactic War with the Galactic Republic , Fulminiss became an expert on mass extermination through Sith magic , and the Sith Emperor himself requested Fulminiss perform extensive research into eliminating the populations of entire planets . He also conducted extensive experimentation and research in Sith alchemy , creating the grotesque Harrower assassin s that guarded the Emperor ' s space station , and one of the Sith Lord ' s most legendary accomplishments was the disintegration of an entire city of rebellious natives on the conquered planet of Jabiim with a raging storm of pure Force energy . Fulminiss ' s crowning achievement was the creation of the Seeds of Rage , subterranean machines that utilized a combination of low - frequency transmissions and pure dark side energy to subtly manipulate the emotions and thoughts of all nearby living creatures . The Seeds drove their victims homicidally insane over time , contaminating them with dark side energy and causing corrupted dark growths to form on both the bodies of their victims and the surrounding environment . The Seeds were stored in the " Arcanum " , the Emperor ' s personal storehouse of Sith artifacts , when they were deemed too powerful to be used frequently . The Emperor ' s Wrath Lord Scourge , the Emperor ' s personal enforcer , knew of Fulminiss ' s capabilities , and the Sith Lord Darth Acina considered Fulminiss to be one of the most gifted alchemists of the Empire . Around 3641 BBY , during the Galactic War between the Empire and the Republic , Fulminiss was dispatched by the Emperor himself to the planet Voss , where Fulminiss was ordered to use his knowledge and expertise to bring about millions of simultaneous deaths among the native Voss and Gormak species . With a number of Sith apprentices , Fulminiss established a base in the Old Paths region of the world . While preparing for to test rituals of Sith magic on Voss subjects , Fulminiss was approached by the Voss Mystic Valen - Da , who had foreseen that Fulminiss would , with the help of the dark side entity known as Sel - Makor , try to destroy all of Voss ; but Valen - Da had also foreseen the means to stop Fulminiss and Sel - Makor , so the Force - sensitive Mystic joined Fulminiss and offered to grant him access to the Voss Shrine of Healing so that he could learn a Voss healing ritual that could heal damaged bodies and minds . The two returned to Fulminiss ' s base , where Fulminiss tested his abilities on the apprentices and drove them insane , eliminating the loose end they posed in the process . The two then traveled to the Shrine of Healing , where Fulminiss learned the healing ritual from the spirits of the long - dead Mystics Laeras - Wu , Shanatka - Lo , and Hanar - Ye , but the Sith Lord corrupted the ritual so that it would tear apart the minds of its victims and drive them insane . With the power of the ritual , Fulminiss was then able to affect many more victims from a greater distance than before , but it was not enough to complete his mission , and he departed the Shrine with Valen - Da at his side . By that time , Fulminiss had become aware of the existence of Sel - Makor , which was a powerful dark side entity that was located at the center of the region known as the Nightmare Lands . Over three days after they had departed the Shrine , Fulminiss and Valen - Da arrived at the Dark Heart , the seat of Sel - Makor ' s power , and Fulminiss conversed with Sel - Makor and explained his plans . Sel - Makor was more than willing to aid in the destruction of the Voss and the Gormak and agreed to lend Fulminiss its power , and Fulminiss began his preparations . However , Fulminiss was surprised by the arrival of the Hero of Tython , the Jedi Knight who had escaped from the Emperor ' s thrall recently and was working to halt the Emperor ' s agents , one of the Jedi ' s companions , and the Voss commando Tala - Reh , all of whom had been following Valen - Da ' s trail . Enraged by Valen - Da ' s betrayal , as the Mystic had left a message to Tala - Reh to lead his pursuers to the Dark Heart , Fulminiss drew his lightsaber and attacked the intruders , his strength bolstered by Sel - Makor . Fulminiss ' s enhanced strength ultimately was not enough to overcome his three opponents , and the Sith Lord fell in battle , his mission for the Emperor unfinished . His death and the loss of his expertise in the dark side was mourned by a number of Sith Lords , including Darth Acina . Personality and traits . Fulminiss was a powerful Force - sensitive Human with red eyes , cybernetic implants underneath his eyes , and a skin that had a sickly grey pallor . He wore gray and red hooded robes with black and purple markings , and Fulminiss was a cruel individual who took pleasure in dealing death on a massive scale . The Sith Lord was considered an enigmatic genius by many of his contemporaries , and he was more than willing to put his knowledge and talents to use in the extermination of entire species without any regret or objections . Fulminiss paid little attention to Valen - Da during his mission to Voss , allowing the Mystic to leave clues and messages for Tala - Reh and the Hero of Tython so that they could pursue the Sith Lord . Powers and abilities . A greatly respected Sith sorcerer with decades of experience , Fulminiss was a master of both Sith magic and alchemy . His knowledge of the dark side and the fields of Sith magic and alchemy in particular were unrivaled ; the Emperor himself requested Fulminiss ' s talents more than once , and members of the Empire ' s ruling Dark Council often paid great sums to acquire Fulminiss ' s research notes and reports of his work for their own studies . In battle , Fulminiss wielded a purple lightsaber , and he used the Force to overwhelm his opponents with nightmares and fear . A highly skilled Sith sorcerer , Fulminiss also experimented in merging technology with Sith alchemy , using the resultant combinations to drive creatures and beings insane or altering their physical form , and he considered the Harrower assassins to be his favorite creation . Fulminiss was also capable of summoning storms of pure Force energy ; such storms could annihilate entire cities with their destructive power . Behind the scenes . Fulminiss was first introduced in the 2011 BioWare video game " " , where he is a primary antagonist in the Jedi Knight class storyline on Voss . It is never made entirely clear how Fulminiss becomes aware of Sel - Makor ; the Emperor encountered Sel - Makor shortly before sending Fulminiss to Voss , but it is not explained whether Fulminiss learned about the entity from the Emperor , Valen - Da , or another source . Fulminiss is also mentioned in " " , the 2013 Digital Expansion to " The Old Republic " , as the creator of the Seeds of Rage . Fulminiss ' s death is also mentioned by the Sith Lord Darth Acina , and the Seeds are the subject of the seeker droid missions for both the Republic and the Empire .