If Senior White Two were to also appear at this time, then the three forces that were involved in the previous incident would gather once more. If so, all of them might end up getting sent into the Wielder's small black room again.
A fire on the city gate brought disaster to the fish in the moat.
If two existences that were truly standing at the peak of the universe were to make a move, even if they didn't mean to, their surroundings would definitely be subject to the disaster which was their power.
The shock waves from the violent cold holy light and the evil energy of the Netherworld colliding spread further and further. The evil energy of the Netherworld brought about an illusion of destruction with mountains of corpses and seas of blood... while the cold holy light was filled with a feeling of oblivion.