First, there is the completion of the great cosmic cycle which lasted over 13 billion years. This universe is right now at the turning point from expansion into contraction. That is a unique moment, when the Source (the Absolute) can intervene directly into the Creation and dissolve the primary anomaly and all evil related to it, and this is the real reason why all darkness will soon disappear. That moment of direct intervention is called the Apocalypse (the Revelation in English) and is quite accurately described in a famous, almost 2000 year old vision:

This moment can also be called the Cosmic Reversal, and scientists are beginning to understand that it will not happen billions of years from now, but much sooner:
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Galactic magnetic field reversal triggers a Solar mininova event, which in turn triggers Earth magnetic field reversal. Earths' magnetic field is already decreasing fast in preparation for the reversal, and one possible curve of its strength may look like this (violet part of the curve is a prediction):

When Earth's magnetic field strength falls below a certain threshold, the elasticity and viscosity of Earths' mantle abruptly changes to allow crustal displacements and a physical polar shift:

The polar shift triggers a global tsunami wave which washes over the planetary surface and purifies it. This tsnamii wave is a necessary part of the primary anomaly purification process, and only individuals strongly connected with inner Light within Islands of Light, except for an occasional prepper, will be able to survive it on the surface of the planet. The rest of the human population will be evacuated from the surface and will then be able to start a new cycle afresh, in full alignment with the Light.

Top members of the Cabal are aware of the coming polar shift, and are planning to survive it in their underground bunkers and Pits:

They will be cleared by the Resistance before the polar shift happens.