Quote Originally Posted by linay View Post
Nier is not canon, but Yorha is. Just like FFT/FF12 is not canon, but Ivalice is, or FF3 is not canon, but Crystal Tower is, etc.
That has yet to be seen though. This is Yoko Taro we're dealing with. He would absolutely be the type to make it so, and we wont know until he confirms or denies it.