This subject contains information from the Expanded Cthulhu Mythos, and not based on H.P. Lovecraft's works directly. Lythalia is a Great Old One who appears as a beautiful woman wrapped in vines and vegetation. She is thought to be the mate of the Elder God Nodens and mother of the twins Vorvadoss and Yaggdytha. She also has a cat-like sister called Istasha.

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