Demon Realm

The Demon Realm is a realm of the Dragon Ball multiverse made up of several Demon Worlds. Majin Buu was created there eons before the story by the witch Marba, although the warlock Bibbidi claimed to be his creator. The Glind, the species the Supreme Kai belong to, come from the second Demon World and grow from Glind trees there; many left to become gods, but some, such as Degesu, stayed behind. The ancient Namekian Neva never left the realm and lives on its own version of planet Namek, hoping the Namekians will one day return; he made the Tamagami, a trio of robot warriors who guard the realm's Dragon Balls, each holding the ball whose star count matches its number.

In Dragon Ball Daima, Hybis, a bumbling soldier in King Kadan's force, is sent to bring Vegeta, Piccolo and Bulma from Earth to the Demon Realm, and one schemer plots to betray Gomah, become Supreme Demon King and turn the realm into a more violent place that would rule the multiverse.