He crossed the bridge and walked up the slope to the tunnel. Crouching to clear the low ceiling, he traveled the short distance to the gate of the inner ward. He adjusted his senses and read its structure, seeking the anomaly he had felt when crossing the ward on his way to the chamber. Finding the flaw was not difficult. One of the thieves, a magician, had opened the gate and set it to admit four persons, though only three had left. Urdli tugged on the structure, restoring it to its original form. Later, when he felt stronger, he would reinforce the ward.