The civilization reaches a level of perfection where it has the technology to feed into the matrix of ultimate reality or universal consciousness. The civilization then disappears only to start a fresh. The aim of human existence is to understand the ultimate reality and can be called as civilizational and individual 'moksha'. When a high-tech civilization reaches the ultimate, it becomes a digital or quantal or EMF correlate civilization and becomes physically extinct at any moksha and becoming a dark forest civilization. The human brain and the stellar brain are quantal computers structured on conscious quantal fields. The conscious quantal fields lying in quantal superpositions in the multiverse are symmetric and the asymmetric collapse after reaching the one graviton criteria occurs due to dysfunctions of the cosmic and neural brain magnetoperceptive networks. The normal state of universal reality is the conscious symmetric quantal fields. The classical asymmetric part of the quantoclassical state is a dysfunction and an aberration.