Second Life
Droves of life and death energy surged to keep the highly regenerative dark fog at bay. In the center of it, Davis simply held his chin and appeared contemplative, wondering what this meant for the world, or rather himself, while the dark fog was trying to crush him to death passively.
It took him a long time to get to the end of this indestructible wall, and since it didn't even tremble from his attack, he doubted if even using Fallen Heaven could do anything about it, arriving at the conclusion that he couldn't do anything about it at the moment and the only way leave this world is to ascend.
After all, from what he garnered from all his adventures, the Third Layer was like a prison to Fallen Heaven. The Second Layer seemed to be multiple mini-realms hidden within the First Layer, which also makes it a part of the First Layer, making him doubt if the Second Layer was even the Second Layer in the first place.