ing.It's not that they have no value, but compared to the Book of Heaven, they are completely incomparable.Because the Nine Great Heavenly Books are too rare, there are only nine copies in the entire...d together.This clearly shows just how dense the dark matter is in this dark place."Is this the Underworld of Wu Tian" Jun Xiaoyao looked at Moho Luo."You're right." Mahoro nodded slightly."Where's th...