[1] The abbot Pachomius incorporated into it the small church of the Hodegetria, or "Aphentikon", as the monastery's catholicon.
[2][3][4] The church was reconstructed and completed around 1310, with some scholars giving 1308-1312 as the construction dates and others 1310–1322.
The lower floor is a three-aisled basilica, whereas above is a traditional Byzantine cross-in-square church plan.
On the lower level the walls are covered by marble revetment, a luxurious feature, and there is also a surviving fresco of the Virgin Mary as Zoodochos Pege (Life-containing Source) in the lunette above the so-called royal door.
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