PSI Stones are medicinal items in EarthBound Beginnings. They can recover about 20 PP and can be used multiple times. After using it enough, it reverts into an ordinary stone and is automatically thrown out of inventory. All Starmen can drop this after defeat. This article is a stub. You can help EarthBound Wiki by expanding it. Retrieved from "https://earthbound.fandom.com/wiki/PSI_Stone?oldid=56419" Categories: Article stubs EarthBound Beginnings EarthBound Beginnings Items Items Community content is available under CC-BY-SA unless otherwise noted.