Thus it comes to be.
In the universe, all traces of the "Nia Civilization" would naturally be erased; since the "cause" no longer exists, the "effect" would naturally not appear. Therefore, within the Cosmic Rules, Coco's Train Civilization Mark remains.
Because from beginning to end, the "Nia Civilization" was never destroyed; it never existed.
In the universe, there is not a trace of the Nia Civilization to be found.
And verifying this idea is quite simple!
Because there is a major bug in this idea: if the "Nia Civilization" never existed, then how did Coco and the others appear? According to logic, Coco and others should also have been erased.
"Display all of the Coco database information on the screen. I'll review each piece carefully."
"You go and review the past news of all civilizations."
