 End of the 1970s, Dvorak claimed to have had an encounter with Satan while under the influence of LSD.After that, Dvorak retreated into a farmhouse in the Lower Austrian Waldviertel and began celebrating “Satanic masses with plenty of naked flesh and blood” („Satanische Messen mit viel nacktem Fleisch und Blut“ )

In the 1980s, Dvorak celebrated a modification of English occultist Aleister Crowley’s "Missa Phoenix" in Burgenland and in Bremen.These happenings have been broadcast on Austrian television and gained Dvorak the reputation of being close to Satanism himself.