IRON SHADOWS IN THE MOON. First published in Weird Tales magazine in April 1934, but under the name SHADOWS IN THE MOONLIGHT.
This is one of the original short stories starring Conan. The story It’s set in the pseudo-historical Hyborian Age and concerns Conan escaping to a remote island in the Vilayet Sea where he encounters the Red Brotherhood, a skulking creature, and mysterious iron statues.