Glʲlgrrirlrkʲk ("Glʲəl-ʔrər-ƏRL-ərkʲk"), in most other languages Glil, are a race of molluscoids from Lgbllgks.
N.B.: If you're not sure how to pronounce a word in their language, pretend you're a slug with a mouth full of mayonnaise. It won't help, but it's funny.
TODO: Considering re-shaping this race. See Seden for the alternate version I'm considering.
Anatomy is roughly based on Nudibranches. Small, feeble and hyperintelligent beings of ammonia-based biology. Extreme psychic aptitude, though much of their Mokshaic structures are deeply alien and incompatible with those of humanoids, which can prevent interface in all but the most blunt ways.
Frequently make use of Biosleeves and Worm Exosuits to complement their abilities and allow them to survive in more biologically common environments. Such suits may mimic certain other species for the purpose of fruitful communication with the squeamish. But it's also not unheard of for them to use them to infiltrate societies.
Highly technologically advanced, once had a sprawling empire that collapsed at some point. The existence of the Cryptic Orb suggests that they have not only reverse-engineered Cryptic Artifacts but have the means to reproduce the technology. Spoiler: This is indeed the case, though the technique was lost when their empire collapsed. It required the use of Drapetology and subsequent Endylosy to manifest matter from the Mokshaic Membrane.