Derleth Elder Sign SealExtended universe sigil Iaon-Thamungazoth, Lord of Chaos[1][2] is a Great Old One worshiped in ancient Lemuria, one of the three primal lords of Lemuria[3] and an aspect of the Triple God of Chaos.


  1. Lin Carter, The Wizard of Lemuria
  2. Lin Carter, Curse of the Black Pharaoh 
  3. The Nyarlathotep Cycle, p.129
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