That's. New. But clearly it's not new, because he's able to hold it even after being interrupted, and Gil knows from experience now that it's no easy task. Bowl still in hand, Gilbert gestures wildly at the shield, his empty sleeve flopping back and forth from the exaggerated movement.

"Wait - wait-wait-wait - how long have you been able to do that?!"

And more importantly, how did Gilbert never notice before?!