This book is not the text of The Cult of Chaos;
It can be regarded as the prequel of "Chaos Cult".
It is mainly written to pave the way for the subsequent main story.
These include introducing the three protagonists;
Introduce the protagonist's character, personality, background, abilities, etc.;
Introduce the environment in which the story takes place,
Including era, geography, humanities, technology, religion, politics, economy, etc.
Readers can read this book first to understand the prequel to "The Cult of Chaos" and then read the main text;
Or just read the text of "Chaos Cult" and feel interested in the background of the story.
Come back to this book again.