Here the landscape abruptly changes into a barren desert populated by serpents, many of them shown with legs or with wings to give an idea of their rapid movement. The fourth and fifth hours form «The Land of Sokar, who is upon his sand», Sokar being originally the god of the Memphite necropolis, but in the New Kingdom equated with Osiris.

From now on, many figures are provided with an individual text. The whole hour is traversed by a zigzag path repeatedly closed by doors cutting the way and therefore called «knives»...