"In his house at R'lyeh, dead Cthulhu waits dreaming..." - English translation of Aklo verse
This article is written on a topic within the Greater Cthulhu Mythos based on information from works in the Mythos. By default, all information is to be assumed to derive from the Lovecraft Myth Cycle unless otherwise marked.
Nyogtha, Haunter of the Red Abyss, The Thing which Should Not Be is described as an inky shadow.
It is rumored that Nyogtha can be combated by using the Vach-Viraj incantation.