But Elfwyn and Herstan could hardly be denied permission to visit him, owing to their positions, and they both did so. They found him in a chamber occupying the whole of the higher floor of a tower of the castle, which served as a prison for the city and neighbourhood, rudely but massively built. One solitary and deep window admitted a little air and light, but the height rendered all escape hopeless, even had the victim wished to escape, which he did not.