Entering the Rivers and Lakes with a Sword

He possesses a peerless secret, but his veins are blocked by his uncle. Ling Yuan studied martial arts with his uncle, thinking he could learn killing skills. But his uncle only taught him to escape. "Yuan'er, remember you can't fully master this secret book yet." "Before you really master it, running is your only asset." So under the guidance of his uncle, the young man practiced the fastest light kung fu in the world. Until that day, thousands of enemies surrounded the mountain. Ling Yuan finally mastered the secret book, "Uncle, you said you can't draw the sword easily." But you didn't say, "Who else in this world will survive after the sword is drawn."