Apocalypse Cultivator: Limitless Energy

A not-so-peaceful world turned to chaos. Portals suddenly appeared below the seas, up above the skies, and into the lands. Crowded cities became ruins overnight. Fantasy and Alien-like creatures rushed out from these portals, killing every living being they find. However, there's always light when there is darkness. Amidst the chaos. Humans suddenly gained unimaginable powers to defend themselves. Organizations we're formed to subjugate these creatures. Yet? Will this always be it? Is this the new normal? Are humans will defend the world from rampaging monsters every day? Or is there a permanent solution for all of this?