| Type | Cyclic phenomenon |
| Nature | Metaphysical |
| Belief system | Scientific proof in alternate timeline |
| Effect on society | Profoundly shaped societal and legal norms |
| Origin of concept | |
| Ethical implications | Pushing the boundaries of ethics and human rights |
| Impact on philosophy | Resolved arguments about the afterlife |
| Pursuit of individuals | Diverse experiences |
| Scientific intervention | Controversial attempts to control or manipulate |
