The expanding and self-affirming Universe pushes Chaos to the periphery, drives it out of the world, but does not overcome it. Outside the inhabited and organized closed Universe begins the area of the unknown, unseen, possession of demons, unattached spirits, the dead, the area where the primitive Chaos, which does not leave attempts to absorb the world, is displaced. Most often, the "transcendence" is presented in the form of water, later, with the development and specification of ideas about the Tom light, chaotic waters are narrowed to the boundary river between the two worlds...