The first three items are clear at a glance; their names hint at their use. They're directly stored in the capsule. Profound Iron and Five Elements Spiritual Soil might come in handy for someone suitable in the future.
Li Zheng is most interested in the last two cultivation technique manuals, picking them up to read.
The first book is naturally the so-called "common" Pure Essence Technique.
The words within the technique are similarly mysterious in nature. Though unfamiliar, they seem to trigger some kind of instinct, allowing anyone to grasp their meaning with ease.
The opening page contains merely a peculiar symbol, yet interpreted by Li Zheng's understanding, it's enough to write a whole book.
In summary, the gist is: Pure Essence Technique is the most basic cultivation method. Its wonder lies in being able to train alongside any other technique without conflict, and cultivating the Pure Essence Technique poses no risk of descending into madness.
