Choronzon

In the 20th century he became an important element within the mystical system of Thelema, founded by Aleister Crowley, where he is the "dweller in the abyss",[1] believed to be the last great obstacle between the adept and enlightenment.

[citation needed] The account describes the demon throwing sand over the triangle to breach it, following which it attacked Neuburg 'in the form of a naked savage', forcing him to drive it back at the point of a dagger.

[citation needed] Crowley wrote, in a footnote to the account in Liber 418, that "(t)he greatest precautions were taken at the time, and have since been yet further fortified, to keep silence concerning the rite of evocation.

"[7] Arthur Calder-Marshall states in The Magic of my Youth that Neuburg gave a quite different account of the event, recounting that he and Crowley evoked the spirit of "a foreman builder from Ur of the Chaldees", who chose to call himself "P.472".

Neuburg's response in this book contradicts[citation needed] both the words attributed to him in Liber 418[9] and the statement of Crowley biographer Lawrence Sutin.

though aware all the time that its elements have no true bond; so that the slightest disturbance dissipates the delusion just as a horseman, meeting a dust devil, brings it in showers of sand to the earth.[13]C.