Sword Stirs the World

The Divine Lands' calamity, the chaotic world, and so many tyrants and tyrants. An ordinary youth who wanted to play this game had unexpectedly obtained a unique book, cultivated peerless martial arts, defeated all sorts of masters, and even wrote a legend in his life. 
Then, was it a rain of smoke that covered his entire life, or was he trying to draw out a sword and save the lives of all under the heavens? Oh, trouble! It was painful! How should he choose?