The Negaverse is a fictional dimension featured in the Sailor Moon series, created by Naoko Takeuchi. It serves as the primary antagonist's realm, characterized by dark energy and a twisted version of the real world. The Negaverse is home to various villains, including Queen Beryl and her minions, who seek to conquer Earth and obtain the energy of its inhabitants. In the Negaverse, the environment is often depicted as gloomy and chaotic, contrasting sharply with the vibrant world of the Sailor Guardians. The series explores themes of good versus evil, with the Sailor Guardians fighting to protect their world from the dark forces that emerge from the Negaverse.