Extended universe sigil Altuas is the ancient land which was old when Atlantis itself was young. The villages of Zendosh and Thom-Raballos, and the wind-swept Plateau of Shung all lie in Altuas. All in the ancient land of Altuas feared Parthias the Conqueror.

It seems likely that it is the same as Altuan and possibly an alternative name for Shuggon although it is not clear that it is a serpent people colony.

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