>>20243415Just like with the Skeksis, keep in mind, the deep lore on them relates that they are a species not endemic to the planet and more importantly; of a lower resonance that couldn't gain spiritual power or vril from the World in which the series takes place. Thus the development of creating a life-force polarizing and draining technology that could be used to feed off of those more attuned to the radiant essence of the planet.
