User blog comment:Zathronas/Analysis by an author: Volume 2 episode 12: Breach/@comment-10380701-20141031020020/@comment-10380701-20141031021037

They ARE prodigies. But not overpowered. Ruby in particular is too young for what she's doing, but she does it anyways.

I assume that the Grimm are weaksauce around Vale. Once you reach the more shitter parts outside the Kingdom, that's where you should be afraid.