: 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
Successful evocation requires meticulous preparation and the use of specific "magical weapons" and formulae. The Lesser Key of Solomon 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