In spiritual world; it is used to activate your subconscious brain (the pineal glands especially) & to keep your subconscious into a trance.

Many religions, legends, and belief systems describe shadowy spiritual beings or supernatural entities such as shades of the underworld.

SEX WITH SUCCUBUS / INCUBUS DEMONS LILITH Summoning of Succubus/ Incubus Demons with & without rituals