S'glhuo is an alternate dimension that manifests only as sound in our universe. Information regarding S'glhuo can be found in the book The Revelations of Gla'aki. This article is a stub. You can help the The H.P. Lovecraft Wiki by expanding it. Retrieved from "https://lovecraft.fandom.com/wiki/S%27glhuo?oldid=29777" Categories: Articles including information from the Expanded Cthulhu Mythos Article stubs Locations Dimensions Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.