National Knight Academy (国立騎士学院 Kokuritsu Kishi Gakuin), also formerly known as Caryatid (カリアティッド Kariatiddo) is a place where summoners, as well as swordsmen study. The academy has two departments: Magic Division and Swordsmanship Division. Swordsmen can enroll into the academy of their own free will, however a people with Enigma have to enroll whether they want to or not.
- The stone built school doors were standing in front of them. Flower beds decorated both sides of the path as it extended directly forward. In front, there is a fountain square. On the left of the fountain square was a brick built mansion and a sharp tower. The classic brick structure produced a feeling that it was indeed a school for Magic Users. Comparatively, on the right, wooden built Japanese-styled building were lined up closely in rows. That side was undoubtedly the dorm for swordsman. A school that was divided into two—— The school divides the Magic Division and the Sword Division to show a completely different perspective.