"As I recall, the skull of the Demonic Halberd Pig is the hardest, right?"
Hiding behind Theresa, Princess Summer observed the skull that had been carved with weird codes carefully and mumbled, "It can pierce through the scales and fur on the head and carve the information directly into the hardest bones. What kind of magic can do that? Also, why did you do it?"
"It is a code and a brand.
Theresa thought for a moment and said, "For example, the rancher of the livestock will leave his mark on the bottom of the livestock or the horses to mark or count. Of course, the code is more complicated and contains a lot of information. Maybe it can be remotely controlled, too.
"The reason it can be stamped on the skull through the scales and the fur is that it was stamped before the scales and the fur grew out.
"Huh?"
Princess Summer's eyes bulged. "You mean, when the Demonic Halberd Pig was just born?"
"No, earlier than that."