Talk:Aura/@comment-71.72.214.14-20130823204251/@comment-10390252-20130823204446

I wonder if the Grim are dust and are given a semblance of life and sapience by some external force.

As for animals? I wouldn't be surprised if there are Pokémon-like lifeforms on the RWBY world that store dust in their bodies to use as natural defences.