The Spawn of the Green Abyss are a fictional race expanded upon in 1994 by Chaosium for the Call of Cthulhu roleplaying game, which was based on creatures from C. Hall Thompson's short story "Spawn of the Green Abyss".
Overview[]
The spawn of the Green Abyss herald from outer space and came to this planet long ago to inhabit oceans and watery places. While similar to the Shoggoths, in some respects, the spawn are utterly alien and possess great intelligence, sometimes traveling in groups for undecipherable reasons. They tend to remain in deep waters, occasionally swimming to the surface to hold what appear to be strange rituals when certain cosmic alignments take place. Some fishermen—who claimed to have been taken down into the depths by the spawn—speak of the monsters dwelling in bizarre aquatic societies and that they are ruled by beings named Zoth Syra and Yoth Kala. Some have alleged the spawn are actually part of Deep One society and can be found deep within that race’s underwater cities.
The spawn appears as a bluish-black slime with various and shifting features, able to create limbs and sensory organs as needed. They are capable of speech, including human tongue, and use a form of “singing” that, akin to old sea tales of mermaid and siren song, is able to command the will of weak-willed folk.
Summary[]
The Spawn of the Green Abyss are a highly evolved and intelligent race which lives in the oceans and seas of Earth. Living in societies ruled by their queen, Zoth Syra. They appear as bluish slime whose various features are shifting. Limbs and sensory organs are created as needed. The songs of the spawn can influence those whom hear it. Though normal weapons cannot hurt them, they can be harmed by fire, chemicals, electricity, magical spells, and enchanted weapons.