Board Thread:Speculation House/@comment-24218038-20131127005419/@comment-24218038-20131129172405

the mysterious narrator explains that man was made from dust. so everything man is derived from dust. Soul, aura and semblance. Darkness is the the opposite of man since it has no soul, aura and semblance. Pyrrha explains when she unlocks Jaune's semblance that the soul is immortal and unlocks aura and semblance. This is what we know about the soul in RWBY.