Introduction: The world of occultism was forever changed by the titanic psychic battle between two of its most influential figures: Samuel Liddell MacGregor Mathers and Aleister Crowley. This clash of magical titans not only reshaped the landscape of Western esotericism but also left an indelible mark on the Hermetic Order of the Golden Dawn. As we delve into the ‘arcane’ depths of this conflict, we’ll uncover the shocking truths behind their psychic warfare, the devastating spells e...