The Eternal Garden is a region of the Ultravoid. It is a gloomy place covered in an eternal night-like darkness. It is here that the Umbra, sentient humanoid fungus-people, herald from. The mushrooms, spores and fungi here, including the Umbra, are native to the Ultravoid. The Eternal Garden is one of two regions inhabited by the Umbra and other fungi, the other being the Luminous Peak.
The Remnant of the Eternal Garden is the Withered Eye, located on a tiny moon some ways off above the Eternal Garden and accessible from the main part of the garden by a white fungus rail.