User blog comment:Berserkchart486/Warring States Fanon Canon/@comment-6673974-20141225023253/@comment-13970942-20141226034907

Scientific objections aside, there are some very real ramifications of having the moon vanish. As the second most powerful celestial body in the mansions of heaven, its absence would create a cascade of disturbances in the power-interactions of the constellations/zodiac and the corresponding interactions of the handsigns.

Keep in mind that in much of chinese supernatural lore, the laws of the universe are basically written in the sky. Japan takes away much of this philosophy in their own beliefs as well.

In laymens' terms, this would be like removing a crucial part of a machine, like the pedals on a bicycle. Yeah, most of the bicycle is intact, but if you get on top of it, will the wheels even move? Like our metaphorical bicycle, I think ninjutsu itself would probably have required re-tuning to even function properly.