A solitary and dark performance 40 Hours Devotion (Cave Christ) could not be open to a live audience nor could it be filmed in any traditional manner. Instead the experience was documented with the production of a total of 40 works. Photogram relics, hallucinatory frottages on paper and mixed method prints were created without sight in The Cave. 

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The performance began on Maundy Thursday where Saint held a last supper with The Rats as disciples. Following the Roman Catholic liturgical action Quarantore, in which continuous prayer is made for forty hours before the Blessed Sacrament, Saint descended into The Cave situated underneath their basement flat in Hawley Square. Accessed through a trap door in the kitchen floor they entered the subterranean landscape at Jesus' time of death on Good Friday and rose again when The Tomb is found empty forty hours later on Sunday morning. 

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A darkroom was set up inside The Cave with a tea light for exposure and no red lighting system. The frottages were taken from the chalky cave walls revealing heavenly figures, cryptic symbols and praying hands.