"Ouch!" Lin Yun suddenly clutched his head, his face contorted in pain.,Unfortunately, Lin Yun's perseverance is sufficient, but his comprehension is too poor. After three years of cultivation, he has only reached the second level of martial arts, and he is still unable to enter the third level.,Next, the entire skeleton rattled, booming with a sound like thunder. For a hundred sounds it reverberated, each one furious, like the roar of a tiger.。