They call the upper realm the immortal lands not because it is the requirement to live there. It is because the land itself is immortal. The ground is imperishable and cannot be damaged by anything below the level of a world god. Even then, it will heal itself and return to its previous state. In summary, the upper realm is not a place for those that aren't immortal. Anyone that can't handle death and return from it is out of place there.
If there is no suppression of Origin gods in the lower realm, it is not an overstatement to say that the realm of high heaven will be destroyed in a single day. It doesn't matter how fast Mother High Heaven can fix it, she will run out of energy faster than Origin gods run out of strife and the lives to fight with.
Ghoto was considering how best to participate in the war to maximize his gains when he remembered something about the gods. "Didn't you used to have a friend that became a god or something? " He asked Mihila.
