The planet.
The otherworld[1] is a planet that resides in a different dimension than Earth, and as such is only accessible from there using space–time ninjutsu. Momoshiki Ōtsutsuki had recently created a God Tree there using Gyūki's chakra.[2] Though the planet's air is breathable, the planet appears to have no native life forms: remnants of dead forests dot the otherwise barren landscape. Thick, red clouds surround the planet.