[Eon's POV: ]
Every individual that possesses Aura would know just what kind of unique power it was and, a mage would know it better than the Aura users just how powerful that destructive force actually was.
"Magic is cast with Mana so Mana is considered the natural universal base for the magic casting however, there are many weapon users who do not use Aura and instead use Mana.
Why would that be?"
To use Mana in the environment, one needed the Mana nucleus but, if someone was talented enough with a weapon and possessed Aura, they could also use the environmental Mana to a certain degree. Or, there were the skills that allowed one use of environmental Mana to a certain level as well.
"Miss Uriel?"
"Hmm?"
"The question. Did you not hear it?"
"Ah, yes… I did."
He definitely knew how she was cursing him in his head from her expressions, so it wasn't surprising that he was asking her that question.