The ouroboros or uroboros is an ancient symbol depicting a serpent or dragon eating its own tail. Originating in ancient Egyptian iconography, the ouroboros entered western tradition via Greek magical tradition and was adopted as a symbol in Gnosticism and Hermeticism and most notably in alchemy.
Masters of Ecstasy
Shamanism is a religious practice that involves a practitioner, a shaman, who is believed to interact with a spirit world through altered states of consciousness, such as trance. The goal of this is usually to direct these spirits or spiritual energies into the physical world, for healing or some other purpose.