This article is a stub. You can help Altered Beast Wiki by expanding it. Underground Demon (unofficial name) is the boss from the Mojave stage in Altered Beast: Guardian of the Realms. This boss constantly burrows and resurfaces while throwing rocks. Retrieved from "https://alteredbeast.fandom.com/wiki/Underground_demon?oldid=4569" Categories: Article stubs Bosses Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.