User blog comment:Maki Kuronami/Extra Lesson: Attack on Grimm/@comment-4010415-20141017003357/@comment-10380701-20141017005726

That's what I said; I brought up a point that I broke myself. >_<

However, Forever Fall was said to be more dangerous than the Emerald Forest, so presumably, they only use Emerald Forest for initating, and Forever Fall for first year training.

We may see more forests in later Volumes once RWBY is on their second year.