He shrugs and moves off into the new tunnel, keeping quiet as before. Her studying doesn't bother him, he knows his face gives nothing away. And he doesn't have far to go before the ground dips sharply, sharp enough so that it's almost a drop. He looks back and murmurs, 'Probably have to slide down, too steep to walk now'...and proceeds to do just that, sitting down and sliding easily down into pitch blackness below.