The monograph presents a comprehensive study of magical-mystical practice and conspiracy-incantatory tradition, made on East Slavic material with the involvement of a wide range of these other traditional beliefs and practices, especially shamanism. The main attention is paid to the art of professionals in the field of magical and mystical activities, "initiated" and "introduced" to esoteric knowledge. The analysis is based on the latest concepts of the fundamental sciences of the nature of the Universe and Man.