At first, the elven queen wasn't really concerned about Edward's request.
Like present-day humans, the elves had once ruled the known world when their kind was spread throughout every corner of land.
And even after the High Elves went extinct, many branch races possessing their bloodline survived—the wood elves themselves include.
To put it harshly, one could find antiques of their race wherever they dig a hole in the Eastern Continent.
That was why she was quite sure what Edward had was one such trinket.
Nonetheless, she realized that she was wrong after examining it seriously.
"The words inscribed on the sack are the arcane text of the High Elves that are completely different from our modern text. It, however, does not record a message—it is made exclusively for simple rituals and to imbue it with a corresponding 'Mystery', which is why deciphering the original content requires a special ritual that matches it."