C1490 Treat Them

"Although this wall of rocks is very magnificent and appeared to be indestructible, there are also many weaknesses. There are also many fatal areas."

"For example, some agile beasts or walls made of rock. They can't be stopped at all."

"Not only are they agile, but many flying creatures can also attack from within the walls."

"By then, the stone wall will not be a refuge, but a slaughterhouse