Like Crowley , other followers of Thelema make free use of the methods and practices of other traditions , including alchemy , astrology , qabalah , tantra , tarot , and yoga , according to their own wills . Many adherents of Thelema , none more so than Crowley , recognize correlations between Thelemic and other systems of spiritual thought ; most borrow freely from the methods and practices of other traditions , including alchemy , astrology , qabalah , tantra , tarot divination , and yoga .