Lord Wero shakes his head in disbelief that behind the crack is even more cracks. He saw its destruction, there is something amiss here. He looks towards his companions, shaking his head with a facial expression that is immediately recognizable as one of utter confusion.
With a wave of a magical gesture, he overcharges his sight to that which can dispel any illusion with but a glance, in supplement to the arcane sight his monocle provides.

First off, using a free action to cast True Sight. I'm withholding further actions this round until I get results.
Also, I get the effects of Greater Arcane Sight from the monocle.