Unique in the World

When he opened his eyes again, his expression gradually eased, and his eyes were filled with calmness.,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.,“This is inner strength! The cracking and resonating of bones generate inner strength, this is the sign of breaking through the second level, I have reached the third level of martial arts!”。