If you step up to this defensive embrasure, you can see firsthand the total control this vantage point offered over the access ramp below. It allowed defenders to strike attackers from behind as they attempted to breach the main entrance gate directly opposite.
Next, please head toward the church along this slightly elevated wall walk, which was also used by the sentinels during their guard shifts. As we walk, we return to the medieval sector of the castle. At the end of the wall walk, we find the exterior of the church. The high, polygonal shape of its apse was integrated into the old defensive walls, functioning exactly like a tower.
This is a defining characteristic of the architecture of military orders, and it can also be seen in the famous Krak des Chevaliers castle in Syria, the main Crusader fortress in the Near East.