Honestly, Finn Lewis had to be pretty badass to not be scared by what had just happened. You don't believe me? Then try putting yourself in his shoes. Even a towering figure like Oscar would have peed his pants in the face of such a scene.
"Aren't you going to explain all this to me?" Finn asked, pointing at his surroundings which had returned to normal.
"It's a restoration beam, purified using deep cosmic energy infusion technology. It may seem like time is reversing, but it's simply using pure energy to restore damaged objects to their prior states. When technology is advanced enough, most ordinary objects can be artificially manufactured through energy infusion. Producing a copy of Earth is a simple matter if there is enough energy," Zero answered in an unusually lengthy explanation.