The Xerts were a race of green creatures comprised of vapor, which give-off an unnerving glow. They can shift beyond normal space time into extra-dimensional zones beyond what we can comprehend. This article is a stub. You can help the The H.P. Lovecraft Wiki by expanding it. Retrieved from "https://lovecraft.fandom.com/wiki/Xert?oldid=18056" Categories: Articles including information from the Expanded Cthulhu Mythos Article stubs Species Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.