Lin Feng whispered to himself, and the sighing gaze suddenly became immensely sharp and resolute.,Put down the cultivation technique, Lin Feng flipped through the two manuals of martial arts again.,Lin Feng went through the other martial arts on the bookshelf, but could not find one that was more suitable for him than the Cross Shadow Killing Technique. Eventually, he gathered all the martial arts on the bookshelf and placed them inside the stone ring.。