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"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.

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C'thalpa (The Internal One) is an Outer God described as a huge mass of living, sentient magma, located in Earth’s mantle. She is the mother of the Great Old One Shterot and other five unnamed hideous children. She served by a race of mole-like humanoid burrowers named Talpeurs.


  • Call of Cthulhu RPG (French edition)