The Altar of the Enkleistra is attached to the east wall of the cave and is made of two stone slabs, one on top of the other and supported in front by another slab painted in red letters and a cross. The inscription: ΙΣ / ΧΣ / ΝΙ / ΚΑ reads ΙΗΣΟΥΣ ΧΡΙΣΤΟΣ ΝΙΚΑ (Christ Jesus is Victorious).