[Source] The Seeds of Rage were a set of Sith artifacts developed by the Sith Lord Fulminiss of the resurgent Sith Empire. A master of Sith alchemy, Fulminiss created the Seeds as the ultimate achievement in his lifelong quest to develop new ways to corrupt other living beings. Roughly cylindrical and about as wide as an average Human's shoulders, the Seeds were designed to be buried underground, and they used a combination of the dark side of the Force and low-frequency transmissions to subtly manipulate the emotions and thoughts of any living creatures nearby. Over time, the Seeds drove their victims insane and contaminated them with dark side energy, resulting in a warping of both the victims and the surrounding environment.