User blog comment:RPGsrule/Blake's Back, Jaune, Auras and Yangs Hair./@comment-13488655-20130823083143/@comment-13488655-20130823085255

But it works the same way. Used to block opponents, heal yourself, detect foes, deliver powerful blows and when dust is put in the mix, control the elements.

Also Pyrrha was controling her aura with her mind when using it on Jaune.