User blog comment:Zathronas/Speculative author: Volume 2 and episode 12, general thoughts/@comment-10380701-20141101042050/@comment-24218038-20141101042651

Frankly, I don't expect the grimm to become serious threats until at least season 2. We'll have minor Grimm fight and MAYBY an ancient fight with several big gun involved in the fight but RWBY needs time to mature before they are ready to fight the real fight of the series.