Board Thread:Off Topic/@comment-24253939-20131208040557/@comment-4991418-20131208212005

Demonstrated by Ren in the forest, and explained by Pyrrha. Aura is mainly used for defensive purposes. Ren used his to block the fangs of a King Taijitu that was attacking him.

so if blake was able to use her aura while training then she may not have been hurt at all.