The vaults of the apses show the Crucifixion and the Descent of the Holy Spirit. All fixed celebrations are presented in chronological order, from September until February, covering the entire barrel-vault of the room and most of the walls. The funeral portrait of Ioan, a son of Petru Rares, interrupts the register of the holy monks. The other 6 months, from March until August, are represented on the perimeter walls of the pronaos . The room is well illuminated by the four Gothic windows with tracery and mullions.
Arches support two cupolas, the base of each one being decorated with an eight-pointed star.
The eastern cupola bears a variant of the Virgin with the Child. The Christ Child is depicted in a medallion worn on the bosom of the Virgin. Saint Anne with the Virgin as a child graces the western cupola. Each halfmoon-shaped lunette under the vaults depicts Ecumenic Councils. The archangels Michael and Gabriel are painted on either side of the door to the burial chamber.