So, if he decide to break it, then he needs either a bomb explosion or a metal driller, or he would hurt himself more than anything. There was a tiny window in the middle of the slatish coloured stone wall, covered with iron bars, definitely to act as a ventilator and to give fresh air to people residing in this place.
Since, the light wasn't coming from the window, then it mustn't have been the night time, or maybe it isn't facing the sun or the moon. He activated his IR analyzer in the lenses and checked that little window, only to make his eyes widen a bit.
The iron bars were covered with sensors, there were many wires attached to those sensors. In simple terms the moment someone touches them in order to escape, he/she would die countless times, out of the high intensity of electricity spark which would ignite on its own, the moment those sensors feel touch.
