Really, its a synthesis of archaic mysticism and scientific futurism. The End is common to many religious doctrines, including our own Judaeo-Christian scriptures. So theology is full of these Eschatological Texts, or End-Time scripts. So it's as if Theology is becoming a branch of Theoretical Physics. If you can be bothered, check out Tipler's latest work 'The Physics of Immortality', where he 'proves' how the Omega Point is God, and how the dead will be Resurrected at this end-time.
Shamanism is synonymous with the intake of powerful hallucinogenic substances.
Your pineal gland is currently manufacturing small but significant amounts of this extremely potent psychedelic material. Its role in human brain physiology is obscure, but nevertheless DMT is a 'Class A' drug here in the UK, so I suggest you all pop down to the local nick and turn yourselves in to face the due process of Law. The current era of Prohibition must be ended. Realise then Legalise. Nevertheless, the above ideas are expressed in our next release 'Heal the Separation'.