Volume 7: Spring Thunder Awakens the Hibernating Creatures, Chapter 3: Fox's Tail

Rebry could not explain the origin of the castle; in his view, the so-called Lord of the castle must have been an impostor, and there were likely other individuals hidden behind this Lord. The Magic Array was concealed expertly, using the Obelisk as a guiding object, and the symbols were all in ancient scripts—not noticeable to the common eye, and even if noticed, indecipherable. If he had not come prepared, he would have been unable to uncover the secrets of the Magic Array.