It was really clever for them to be using this kind of glyph. Humans to this day know nothing about it and might think it was some sort of weird carving. Only a handful of humans knows about this kind of thing but I doubt that humans in that time period had the knowledge of it.
When I was in the library before, there was not a single book about the history of the elf. The library was just full of other races' history.
I think I was quite lucky as I do know about this sort of thing. As I once had gone to an elf kingdom before, It was all because back then the elf and humans worship the same gods before. Nowadays, humans don't believe in the gods anymore.
I don’t know why but there’s something that I have read about that related stuff in the library before. Apparently, humans discover t
