Closest thing I could find about it was "Children of Gla'aki", which is a horror fiction story. https://lovecraft.fandom.com/wiki/The_Children_of_Gla%27aki https://www.yog-sothoth.com/wiki/index.php/Revelations_of_Glaaki At best, the watered down books might give insights if one already had...

Greetings everyone! I've been looking for a way to get my hands on a grimoire called "Revelations of Gla'aki". Unfortunately it appears to be difficult to find online. The book's volumes contains information from sources that predated it that no longer exist elsewhere. From what I've heard of...