C491 The Tempering of Eight Thousand Books

If you want to do something good, you must first use the right tools.

Ding Yi's preparations for the past few days had started to show during the process of memorizing the books.

It took Ding Yi one day to memorize a book.

If he didn't have the support of the Eternal Sword Soul, he would need to spend even more time.

In other words, even if Ding Yi was in this space