It's not a well known fact but the invocation that Jason Miller it's only part of a greater one. Here is the full one:
Orkizo Kretera Theou Plouton KateXonta!
Orkizo Theon Aionion Aiona te Panton!
Orkizo Physin Autophye, Kratison Adonaion!
Orkizo Dynonta kai Antellonta Eloaion!
Orkizo te hagia kai Theia Onomata tauta!
Opos an pemphosi moi to Theion Pneuma!
Exe me synistamanon!
Aposteilon moi ton idion angelon te nykti
Epikaloumai se hagie angele!
Elthe kai parasta eis tende ten kreian kai synergeson! /
Hypotaxon moi panta ta daimonia
hina moi e hypekoos pas daimon ouranios kai aitherios
kai epigeios kai hypogeios
kai chersaios kai enhydros
kai pasa epipompe kai mastix Theoi
Adsum Particeps siderum! Frater/Soror Solis Lunaeque
Kan selene keleoso katavesetai
Kan kolysai theleso ten hymeran e Nyx moi menei
Kan dethomen palin hymeras to Phos ouk apeleusetai
Kan di Aeros elthein kouphisphesomai!
Ego eimai e Charis tou Aionos!
Onoma moi kardia perizosmene Ophini!
It seems that he took it/adapted from a ceremonial magician back in the early 2000s (can't find the old web page thought) and even experimented with it a bit
(see here:
), I believe that the shorter version found in the book it's what he ultimately settled on.