The Cishaurim are a fictional group from the Dune universe created by Frank Herbert. They are known for their unique ability to manipulate sound and use it as a weapon. This skill allows them to influence others and control their actions, making them formidable opponents in the political and social landscape of the series. In the Dune saga, the Cishaurim are often depicted as a secretive and powerful faction. Their abilities are tied to the mystical and complex themes of the series, including the use of spice and the broader implications of power and control in the universe.