: In invocation , the practitioner calls a divine force into themselves for transformation. In evocation , the spirit is called forth into an external, consecrated area to provide information or services. Essential Elements of Evocation Rituals
: Historically, practitioners distinguished between theurgy (high magic aimed at spiritual union with the divine) and goetia (low magic involving the evocation of spirits or demons for material tasks). Ceremonial Magic & The Power of Evocation
The fundamental principle of ceremonial magic is the use of and directed intention to influence the unseen world. : In invocation , the practitioner calls a