C41 Cultivation of the Three Realms
This was the foundation of Heavenly Heart Dao Sect for countless years. Countless people dug three feet deep into the ruins, trying to find these books.
However, Daoist Tianxin hid these books under the ground that was thirty feet deep. They were not three feet deep, or even three feet deep.
Chu Zhao had read a lot of books, be it history, techniques, adventures or cultivation books