This is a subtle but powerful palm technique, like falling leaves or calm breeze and light wind. Its essence, however, is extremely tyrannical. If anyone dare underestimate it, a single strike could be fatal.,Lin Feng's heart stirred. This set of martial arts techniques didn't have any requirements for strength, anyone could cultivate it regardless of their cultivation level. The prerequisite was that they could understand it.,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.。