Your skill in Arts has always been meant to be able to detect illusions.
However, we haven't had time to implement this feature--until now! The
greater your skill in Arts, the greater the chance that you will be able
to see the small imperfections in an illusion and thus know it to be an
illusion. Krokani, of course, will be better at detecting illusions than
anyone else.

Penned by my hand on the 17th of Urlachmar, in the year 111 CE.