Oh~BooksAlright, by using the arte books, it's possible to raise the level of an arte.And recently, it became more convenient because you can use the total required amount at once.Let's see, the total required is 300.*Ah!*That's for beginner class books,but if you use ultra class books, the required quantity will decrease.Yeah, but I'm fine with 300.He chose the largest quantity on purpose.*chuckle**chuckle*
