[Formal Magic]

The professor's piercing grey eyes look deep into Genji, and she smiles

Precisely. "Perfect Balance" is both localized and temporary, while true nothingness both endures, and is utterly useless.

So! Many of you are fox spirits: capable of creating the image of fire without it's true semblance. You make light without heat... and yet, even your light fails to illuminate. What do you suppose explains that?