Chu Feng had not forgotten that before he came, his mentor Lu Lin had given him two martial techniques to compensate for his weaknesses; of course, he needed to catch up on his lessons before departing.
The martial techniques he currently possessed also needed to be enhanced. After all, the Demon Battlefield was far more dangerous than the common Demon Realms, and every bit of strength mattered.
These three booklets were the lessons he needed to catch up on, specifically "Thunder Light Step," "Golden Spirit Body Refining Technique," and the spiritual power offensive battle technique "Spirit Slaying Sword!"
There's no need to mention the first two; "Spirit Slaying Sword" was part of the "Entry Gift Pack" received from the high-end Combat Technique Research Institute.
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The high-end Combat Technique Research Institute had strict requirements for its members:
